--- /dev/null
+#
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+ARCH:=mipsel
+BOARD:=ar7
+BOARDNAME:=TI AR7
+FEATURES:=squashfs jffs2 broken
+
+define Target/Description
+ Build firmware images for TI AR7 based routers
+endef
+
+include $(INCLUDE_DIR)/kernel-build.mk
+
+-include profiles/*.mk
+
+$(eval $(call BuildKernel))
--- /dev/null
+CONFIG_32BIT=y
+# CONFIG_64BIT is not set
+# CONFIG_64BIT_PHYS_ADDR is not set
+CONFIG_AR7=y
+CONFIG_AR7_GPIO=y
+CONFIG_AR7_WDT=y
+# CONFIG_ATMEL is not set
+CONFIG_BASE_SMALL=0
+# CONFIG_BCM43XX is not set
+CONFIG_BOOT_ELF32=y
+CONFIG_CMDLINE="console=ttyS0,38400n8r root=/dev/mtdblock3 init=/etc/preinit"
+CONFIG_CPMAC=y
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_CPU_HAS_LLSC=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPS32_R1=y
+# CONFIG_CPU_MIPS32_R2 is not set
+# CONFIG_CPU_MIPS64_R1 is not set
+# CONFIG_CPU_MIPS64_R2 is not set
+CONFIG_CPU_MIPSR1=y
+# CONFIG_CPU_NEVADA is not set
+# CONFIG_CPU_R10000 is not set
+# CONFIG_CPU_R3000 is not set
+# CONFIG_CPU_R4300 is not set
+# CONFIG_CPU_R4X00 is not set
+# CONFIG_CPU_R5000 is not set
+# CONFIG_CPU_R5432 is not set
+# CONFIG_CPU_R6000 is not set
+# CONFIG_CPU_R8000 is not set
+# CONFIG_CPU_RM7000 is not set
+# CONFIG_CPU_RM9000 is not set
+# CONFIG_CPU_SB1 is not set
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+# CONFIG_CPU_TX39XX is not set
+# CONFIG_CPU_TX49XX is not set
+# CONFIG_CPU_VR41XX is not set
+# CONFIG_DDB5477 is not set
+# CONFIG_DM9000 is not set
+CONFIG_DMA_NEED_PCI_MAP_STATE=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_FIRMWARE_EDID=y
+CONFIG_FIXED_MII_100_FDX=y
+# CONFIG_FIXED_MII_10_FDX is not set
+CONFIG_FIXED_PHY=y
+CONFIG_FS_POSIX_ACL=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+# CONFIG_GEN_RTC is not set
+# CONFIG_HERMES is not set
+# CONFIG_HOSTAP_PCI is not set
+# CONFIG_HOSTAP_PLX is not set
+CONFIG_HW_HAS_PCI=y
+CONFIG_HW_RANDOM=y
+CONFIG_HZ=100
+CONFIG_HZ_100=y
+# CONFIG_HZ_1024 is not set
+# CONFIG_HZ_128 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_256 is not set
+# CONFIG_HZ_48 is not set
+# CONFIG_I2C is not set
+# CONFIG_IDE is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_IPW2100 is not set
+# CONFIG_IPW2200 is not set
+CONFIG_IRQ_CPU=y
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_LEDS_AR7=y
+# CONFIG_MACH_DECSTATION is not set
+# CONFIG_MACH_JAZZ is not set
+# CONFIG_MACH_VR41XX is not set
+CONFIG_MINI_FO=y
+CONFIG_MIPS=y
+# CONFIG_MIPS_ATLAS is not set
+# CONFIG_MIPS_BOSPORUS is not set
+# CONFIG_MIPS_COBALT is not set
+# CONFIG_MIPS_DB1000 is not set
+# CONFIG_MIPS_DB1100 is not set
+# CONFIG_MIPS_DB1200 is not set
+# CONFIG_MIPS_DB1500 is not set
+# CONFIG_MIPS_DB1550 is not set
+# CONFIG_MIPS_EV64120 is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MALTA is not set
+# CONFIG_MIPS_MIRAGE is not set
+# CONFIG_MIPS_MTX1 is not set
+CONFIG_MIPS_MT_DISABLED=y
+# CONFIG_MIPS_MT_SMP is not set
+# CONFIG_MIPS_MT_SMTC is not set
+# CONFIG_MIPS_PB1000 is not set
+# CONFIG_MIPS_PB1100 is not set
+# CONFIG_MIPS_PB1200 is not set
+# CONFIG_MIPS_PB1500 is not set
+# CONFIG_MIPS_PB1550 is not set
+# CONFIG_MIPS_SEAD is not set
+# CONFIG_MIPS_SIM is not set
+# CONFIG_MIPS_VPE_LOADER is not set
+# CONFIG_MIPS_XXS1500 is not set
+# CONFIG_MOMENCO_JAGUAR_ATX is not set
+# CONFIG_MOMENCO_OCELOT is not set
+# CONFIG_MOMENCO_OCELOT_3 is not set
+# CONFIG_MOMENCO_OCELOT_C is not set
+# CONFIG_MOMENCO_OCELOT_G is not set
+CONFIG_MTD=y
+# CONFIG_MTD_ABSENT is not set
+CONFIG_MTD_AR7_PARTS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_MTD_BLOCK2MTD is not set
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_CHAR=y
+# CONFIG_MTD_CMDLINE_PARTS is not set
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+# CONFIG_MTD_CONCAT is not set
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+# CONFIG_MTD_ONENAND is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PHRAM is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+CONFIG_MTD_PHYSMAP_LEN=0
+CONFIG_MTD_PHYSMAP_START=0x10000000
+# CONFIG_MTD_PLATRAM is not set
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_SLRAM is not set
+CONFIG_NEED_MULTIPLE_NODES=y
+# CONFIG_NET_PCI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+CONFIG_NODES_SHIFT=6
+# CONFIG_PAGE_SIZE_16KB is not set
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_64KB is not set
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PCIPCWATCHDOG is not set
+CONFIG_PHYLIB=y
+# CONFIG_PMC_YOSEMITE is not set
+# CONFIG_PNX8550_JBS is not set
+# CONFIG_PNX8550_V2PCI is not set
+# CONFIG_PRISM54 is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_RTC is not set
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+# CONFIG_SERIAL_8250_EXTENDED is not set
+CONFIG_SERIAL_8250_PCI=y
+# CONFIG_SGI_IP22 is not set
+# CONFIG_SGI_IP27 is not set
+# CONFIG_SGI_IP32 is not set
+# CONFIG_SIBYTE_BIGSUR is not set
+# CONFIG_SIBYTE_CARMEL is not set
+# CONFIG_SIBYTE_CRHINE is not set
+# CONFIG_SIBYTE_CRHONE is not set
+# CONFIG_SIBYTE_LITTLESUR is not set
+# CONFIG_SIBYTE_PTSWARM is not set
+# CONFIG_SIBYTE_RHONE is not set
+# CONFIG_SIBYTE_SENTOSA is not set
+# CONFIG_SIBYTE_SWARM is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SWAP_IO_SPACE=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+# CONFIG_TOSHIBA_JMR3927 is not set
+# CONFIG_TOSHIBA_RBTX4927 is not set
+# CONFIG_TOSHIBA_RBTX4938 is not set
+CONFIG_TRAD_SIGNALS=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_USB is not set
+# CONFIG_YENTA is not set
--- /dev/null
+
+obj-y := \
+ prom.o \
+ setup.o \
+ memory.o \
+ irq.o \
+ time.o \
+ platform.o \
+ gpio.o \
+ vlynq.o
+
+obj-$(CONFIG_PCI) += \
+ vlynq-pci.o
+
+EXTRA_AFLAGS := $(CFLAGS)
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/ar7/ar7.h>
+#include <asm/ar7/gpio.h>
+
+static char *ar7_gpio_list[AR7_GPIO_MAX] = { 0, };
+
+int gpio_request(unsigned gpio, char *label)
+{
+ if (gpio >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ if (ar7_gpio_list[gpio])
+ return -EBUSY;
+
+ if (label) {
+ ar7_gpio_list[gpio] = label;
+ } else {
+ ar7_gpio_list[gpio] = "busy";
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_request);
+
+void gpio_free(unsigned gpio)
+{
+ BUG_ON(!ar7_gpio_list[gpio]);
+ ar7_gpio_list[gpio] = NULL;
+}
+EXPORT_SYMBOL(gpio_free);
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+
+#include <asm/irq.h>
+#include <asm/irq_cpu.h>
+#include <asm/mipsregs.h>
+#include <asm/ar7/ar7.h>
+
+#define EXCEPT_OFFSET 0x80
+#define PACE_OFFSET 0xA0
+#define CHNLS_OFFSET 0x200
+
+#define IRQ_NUM(irq) (irq % 40 % 32)
+#define REG_OFFSET(irq, reg) (((irq) < 40) ? \
+ ((irq) / 32 * 0x4 + reg * 0x10) : \
+ (EXCEPT_OFFSET + reg * 0x8))
+#define SR_OFFSET(irq) (REG_OFFSET(irq, 0))
+#define CR_OFFSET(irq) (REG_OFFSET(irq, 1))
+#define ESR_OFFSET(irq) (REG_OFFSET(irq, 2))
+#define ECR_OFFSET(irq) (REG_OFFSET(irq, 3))
+#define PIR_OFFSET (0x40)
+#define MSR_OFFSET (0x44)
+#define PM_OFFSET(irq) (REG_OFFSET(irq, 5))
+#define TM_OFFSET(irq) (REG_OFFSET(irq, 6))
+
+#define REG(addr) (*(volatile u32 *)(KSEG1ADDR(AR7_REGS_IRQ) + addr))
+
+#define CHNL_OFFSET(chnl) (CHNLS_OFFSET + (chnl * 4))
+
+static void ar7_unmask_irq(unsigned int irq_nr);
+static void ar7_mask_irq(unsigned int irq_nr);
+static irqreturn_t ar7_cascade(int interrupt, void *dev);
+void ar7_irq_init(int);
+
+static struct irq_chip ar7_irq_type = {
+ .name = "AR7",
+ .unmask = ar7_unmask_irq,
+ .mask = ar7_mask_irq,
+};
+
+static int ar7_irq_base;
+
+static struct irqaction ar7_cascade_action = {
+ .handler = ar7_cascade,
+ .name = "AR7 cascade interrupt"
+};
+
+
+static void ar7_unmask_irq(unsigned int irq)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ /* enable the interrupt channel bit */
+ REG(ESR_OFFSET(irq - ar7_irq_base)) = 1 << IRQ_NUM(irq - ar7_irq_base);
+ local_irq_restore(flags);
+}
+
+static void ar7_mask_irq(unsigned int irq)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ /* disable the interrupt channel bit */
+ REG(ECR_OFFSET(irq - ar7_irq_base)) = 1 << IRQ_NUM(irq - ar7_irq_base);
+ local_irq_restore(flags);
+}
+
+void __init arch_init_irq(void) {
+ mips_cpu_irq_init(0);
+ ar7_irq_init(8);
+}
+
+void __init ar7_irq_init(int base)
+{
+ int i;
+ /*
+ Disable interrupts and clear pending
+ */
+ REG(ECR_OFFSET(0)) = 0xffffffff;
+ REG(ECR_OFFSET(32)) = 0xff;
+ REG(ECR_OFFSET(40)) = 0xffffffff;
+ REG(CR_OFFSET(0)) = 0xffffffff;
+ REG(CR_OFFSET(32)) = 0xff;
+ REG(CR_OFFSET(40)) = 0xffffffff;
+
+ for(i = 0; i < 40; i++) {
+ REG(CHNL_OFFSET(i)) = i;
+ /* Primary IRQ's */
+ irq_desc[i + base].status = IRQ_DISABLED;
+ irq_desc[i + base].action = 0;
+ irq_desc[i + base].depth = 1;
+ irq_desc[i + base].chip = &ar7_irq_type;
+ /* Secondary IRQ's */
+ if (i < 32) {
+ irq_desc[i + base + 40].status = IRQ_DISABLED;
+ irq_desc[i + base + 40].action = 0;
+ irq_desc[i + base + 40].depth = 1;
+ irq_desc[i + base + 40].chip =
+ &ar7_irq_type;
+ }
+ }
+
+ ar7_irq_base = base;
+ setup_irq(2, &ar7_cascade_action);
+ set_c0_status(IE_IRQ0);
+}
+
+static irqreturn_t ar7_cascade(int interrupt, void *dev)
+{
+ int irq, i;
+ unsigned long status;
+
+ irq = (REG(PIR_OFFSET) & 0x3F);
+ if (irq == 40) return IRQ_NONE;
+ if (irq > 0) {
+ REG(CR_OFFSET(irq)) = 1 << IRQ_NUM(irq);
+ } else {
+ status = REG(SR_OFFSET(40));
+ for (i = 0; i < 32; i++) {
+ if (status & (i << 1)) {
+ irq = i + 40;
+ REG(CR_OFFSET(irq)) = 1 << i;
+ break;
+ }
+ }
+ REG(CR_OFFSET(0)) = 1;
+ }
+ return do_IRQ(irq + ar7_irq_base);
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ unsigned int pending = read_c0_status() & read_c0_cause();
+ if (pending & STATUSF_IP7) /* cpu timer */
+ do_IRQ(7);
+ else if (pending & STATUSF_IP2) /* int0 hardware line */
+ do_IRQ(2);
+ else
+ spurious_interrupt();
+}
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * Based on arch/mips/mm/init.c
+ * Copyright (C) 1994 - 2000 Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/bootmem.h>
+#include <linux/init.h>
+#include <linux/initrd.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/pfn.h>
+#include <linux/proc_fs.h>
+#include <linux/string.h>
+#include <linux/swap.h>
+
+#include <asm/bootinfo.h>
+#include <asm/page.h>
+#include <asm/sections.h>
+
+#include <asm/mips-boards/prom.h>
+
+#warning FIXME: use sdram control regs and/or autodetection
+static int __init memsize(void)
+{
+ char *memsize_str;
+ unsigned int result;
+ char cmdline[CL_SIZE], *ptr;
+
+ /* Check the command line first for a memsize directive */
+ strcpy(cmdline, arcs_cmdline);
+ ptr = strstr(cmdline, "memsize=");
+ if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' '))
+ ptr = strstr(ptr, " memsize=");
+
+ if (ptr) {
+ result = memparse(ptr + 8, &ptr);
+ } else {
+ /* otherwise look in the environment */
+ memsize_str = prom_getenv("memsize");
+ if (!memsize_str) {
+ prom_printf("memsize not set in boot prom, set to default (8Mb)\n");
+ result = 0x00800000;
+ } else {
+ result = simple_strtol(memsize_str, NULL, 0);
+ }
+ }
+
+ return result;
+}
+
+extern unsigned long __initramfs_start, __initramfs_end;
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+static bootmem_data_t node_bootmem_data;
+pg_data_t __node_data[1] = {
+ {
+ .bdata = &node_bootmem_data
+ },
+};
+EXPORT_SYMBOL(__node_data);
+
+unsigned long max_mapnr;
+struct page *mem_map;
+EXPORT_SYMBOL(max_mapnr);
+EXPORT_SYMBOL(mem_map);
+
+static unsigned long setup_zero_pages(void)
+{
+ unsigned int order = 3;
+ unsigned long size;
+ struct page *page;
+
+ empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
+ if (!empty_zero_page)
+ panic("Oh boy, that early out of memory?");
+
+ page = virt_to_page(empty_zero_page);
+ split_page(page, order);
+ while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
+ SetPageReserved(page);
+ page++;
+ }
+
+ size = PAGE_SIZE << order;
+ zero_page_mask = (size - 1) & PAGE_MASK;
+
+ return 1UL << order;
+}
+
+extern void pagetable_init(void);
+
+void __init paging_init(void)
+{
+ unsigned long zones_size[MAX_NR_ZONES] = { 0, };
+
+ pagetable_init();
+
+ zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
+
+ free_area_init_node(0, NODE_DATA(0), zones_size, ARCH_PFN_OFFSET, NULL);
+}
+
+static struct kcore_list kcore_mem, kcore_vmalloc;
+
+void __init mem_init(void)
+{
+ unsigned long codesize, reservedpages, datasize, initsize;
+ unsigned long tmp, ram;
+ unsigned long kernel_start, kernel_end;
+
+ kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
+ kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
+ for (tmp = min_low_pfn + 1; tmp < kernel_start; tmp++) {
+ ClearPageReserved(pfn_to_page(tmp));
+ init_page_count(pfn_to_page(tmp));
+ free_page((unsigned long)__va(tmp << PAGE_SHIFT));
+ }
+
+ totalram_pages += free_all_bootmem();
+ totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
+
+ reservedpages = ram = 0;
+ for (tmp = min_low_pfn; tmp <= max_low_pfn; tmp++) {
+ ram++;
+ if (PageReserved(pfn_to_page(tmp)))
+ if ((tmp < kernel_start) || (tmp > kernel_end))
+ reservedpages++;
+ }
+ num_physpages = ram;
+
+ codesize = (unsigned long) &_etext - (unsigned long) &_text;
+ datasize = (unsigned long) &_edata - (unsigned long) &_etext;
+ initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
+
+ kclist_add(&kcore_mem, __va(min_low_pfn),
+ (max_low_pfn - min_low_pfn) << PAGE_SHIFT);
+ kclist_add(&kcore_vmalloc, (void *)VMALLOC_START,
+ VMALLOC_END - VMALLOC_START);
+
+ printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
+ "%ldk reserved, %ldk data, %ldk init)\n",
+ (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
+ ram << (PAGE_SHIFT-10),
+ codesize >> 10,
+ reservedpages << (PAGE_SHIFT-10),
+ datasize >> 10,
+ initsize >> 10);
+}
+#endif
+
+void __init prom_meminit(void)
+{
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+ unsigned long kernel_start, kernel_end;
+ unsigned long pages, free_pages;
+ unsigned long bootmap_size;
+#endif
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ initrd_start = (unsigned long)&__initramfs_start;
+ initrd_end = (unsigned long)&__initramfs_end;
+#endif
+
+ pages = memsize() >> PAGE_SHIFT;
+ add_memory_region(ARCH_PFN_OFFSET << PAGE_SHIFT, pages <<
+ PAGE_SHIFT, BOOT_MEM_RAM);
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+ kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
+ kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
+ min_low_pfn = ARCH_PFN_OFFSET;
+ max_low_pfn = ARCH_PFN_OFFSET + pages;
+ max_mapnr = max_low_pfn;
+ free_pages = pages - (kernel_end - min_low_pfn);
+ bootmap_size = init_bootmem_node(NODE_DATA(0), kernel_end,
+ ARCH_PFN_OFFSET, max_low_pfn);
+
+ free_bootmem(PFN_PHYS(kernel_end), free_pages << PAGE_SHIFT);
+ memory_present(0, min_low_pfn, max_low_pfn);
+ reserve_bootmem(PFN_PHYS(kernel_end), bootmap_size);
+ mem_map = NODE_DATA(0)->node_mem_map;
+#endif
+}
+
+unsigned long __init prom_free_prom_memory(void)
+{
+/* return freed;
+*/
+ return 0;
+}
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/ioport.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/ar7/ar7.h>
+#include <asm/ar7/gpio.h>
+#include <asm/ar7/vlynq.h>
+
+struct plat_vlynq_data {
+ struct plat_vlynq_ops ops;
+ int gpio_bit;
+ int reset_bit;
+};
+
+
+static int vlynq_on(struct vlynq_device *dev)
+{
+ int result;
+ struct plat_vlynq_data *pdata = dev->dev.platform_data;
+
+ if ((result = gpio_request(pdata->gpio_bit, "vlynq")))
+ goto out;
+
+ ar7_device_reset(pdata->reset_bit);
+
+ if ((result = ar7_gpio_disable(pdata->gpio_bit)))
+ goto out_enabled;
+
+ if ((result = ar7_gpio_enable(pdata->gpio_bit)))
+ goto out_enabled;
+
+ if ((result = gpio_direction_output(pdata->gpio_bit)))
+ goto out_gpio_enabled;
+
+ gpio_set_value(pdata->gpio_bit, 0);
+ mdelay(50);
+
+ gpio_set_value(pdata->gpio_bit, 1);
+ mdelay(50);
+
+ return 0;
+
+out_gpio_enabled:
+ ar7_gpio_disable(pdata->gpio_bit);
+out_enabled:
+ ar7_device_disable(pdata->reset_bit);
+ gpio_free(pdata->gpio_bit);
+out:
+ return result;
+}
+
+static void vlynq_off(struct vlynq_device *dev)
+{
+ struct plat_vlynq_data *pdata = dev->dev.platform_data;
+ ar7_gpio_disable(pdata->gpio_bit);
+ gpio_free(pdata->gpio_bit);
+ ar7_device_disable(pdata->reset_bit);
+}
+
+static struct resource physmap_flash_resource = {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x10000000,
+ .end = 0x103fffff,
+};
+
+static struct resource cpmac_low_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_MAC0,
+ .end = AR7_REGS_MAC0 + 0x7FF,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 27,
+ .end = 27,
+ },
+};
+
+static struct resource cpmac_high_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_MAC1,
+ .end = AR7_REGS_MAC1 + 0x7FF,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 41,
+ .end = 41,
+ },
+};
+
+static struct resource vlynq_low_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_VLYNQ0,
+ .end = AR7_REGS_VLYNQ0 + 0xff,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 29,
+ .end = 29,
+ },
+ {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x04000000,
+ .end = 0x04ffffff,
+ },
+ {
+ .name = "devirq",
+ .flags = IORESOURCE_IRQ,
+ .start = 80,
+ .end = 111,
+ },
+};
+
+static struct resource vlynq_high_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_VLYNQ1,
+ .end = AR7_REGS_VLYNQ1 + 0xFF,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 33,
+ .end = 33,
+ },
+ {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x0c000000,
+ .end = 0x0cffffff,
+ },
+ {
+ .name = "devirq",
+ .flags = IORESOURCE_IRQ,
+ .start = 112,
+ .end = 143,
+ },
+};
+
+static struct physmap_flash_data physmap_flash_data = {
+ .width = 2,
+};
+
+static struct plat_cpmac_data cpmac_low_data = {
+ .reset_bit = 17,
+ .power_bit = 20,
+ .phy_mask = 0x80000000,
+};
+
+static struct plat_cpmac_data cpmac_high_data = {
+ .reset_bit = 21,
+ .power_bit = 22,
+ .phy_mask = 0x7fffffff,
+};
+
+static struct plat_vlynq_data vlynq_low_data = {
+ .ops.on = vlynq_on,
+ .ops.off = vlynq_off,
+ .reset_bit = 20,
+ .gpio_bit = 18,
+};
+
+static struct plat_vlynq_data vlynq_high_data = {
+ .ops.on = vlynq_on,
+ .ops.off = vlynq_off,
+ .reset_bit = 16,
+ .gpio_bit = 19,
+};
+
+static struct platform_device physmap_flash = {
+ .id = 0,
+ .name = "physmap-flash",
+ .dev.platform_data = &physmap_flash_data,
+ .resource = &physmap_flash_resource,
+ .num_resources = 1,
+};
+
+static struct platform_device cpmac_low = {
+ .id = 0,
+ .name = "cpmac",
+ .dev.platform_data = &cpmac_low_data,
+ .resource = cpmac_low_res,
+ .num_resources = ARRAY_SIZE(cpmac_low_res),
+};
+
+static struct platform_device cpmac_high = {
+ .id = 1,
+ .name = "cpmac",
+ .dev.platform_data = &cpmac_high_data,
+ .resource = cpmac_high_res,
+ .num_resources = ARRAY_SIZE(cpmac_high_res),
+};
+
+static struct platform_device vlynq_low = {
+ .id = 0,
+ .name = "vlynq",
+ .dev.platform_data = &vlynq_low_data,
+ .resource = vlynq_low_res,
+ .num_resources = ARRAY_SIZE(vlynq_low_res),
+};
+
+static struct platform_device vlynq_high = {
+ .id = 1,
+ .name = "vlynq",
+ .dev.platform_data = &vlynq_high_data,
+ .resource = vlynq_high_res,
+ .num_resources = ARRAY_SIZE(vlynq_high_res),
+};
+
+
+/* This is proper way to define uart ports, but they are then detected
+ * as xscale and, obviously, don't work...
+ */
+#if !defined(CONFIG_SERIAL_8250)
+static struct plat_serial8250_port uart_data[] = {
+ {
+ .mapbase = AR7_REGS_UART0,
+ .irq = AR7_IRQ_UART0,
+ .regshift = 2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+ },
+ {
+ .mapbase = AR7_REGS_UART1,
+ .irq = AR7_IRQ_UART1,
+ .regshift = 2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+ },
+ {
+ .flags = 0,
+ },
+};
+
+static struct platform_device uart = {
+ .id = 0,
+ .name = "serial8250",
+ .dev.platform_data = uart_data,
+};
+#endif
+
+static inline unsigned char char2hex(char h)
+{
+ switch (h) {
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ return h - '0';
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
+ return h - 'A' + 10;
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
+ return h - 'a' + 10;
+ default:
+ return 0;
+ }
+}
+
+static void cpmac_get_mac(int instance, unsigned char *dev_addr)
+{
+ int i;
+ char name[5], default_mac[] = "00:00:00:12:34:56", *mac;
+
+ mac = NULL;
+ sprintf(name, "mac%c", 'a' + instance);
+ mac = prom_getenv(name);
+ if (!mac) {
+ sprintf(name, "mac%c", 'a');
+ mac = prom_getenv(name);
+ }
+ if (!mac)
+ mac = default_mac;
+ for (i = 0; i < 6; i++)
+ dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
+ char2hex(mac[i * 3 + 1]);
+}
+
+static int __init ar7_register_devices(void)
+{
+ int res;
+
+#if defined(CONFIG_SERIAL_8250)
+ static struct uart_port uart_port[2];
+
+ memset(uart_port, 0, sizeof(struct uart_port) * 2);
+
+ uart_port[0].type = PORT_16750;
+ uart_port[0].line = 0;
+ uart_port[0].irq = AR7_IRQ_UART0;
+ uart_port[0].uartclk = ar7_bus_freq() / 2;
+ uart_port[0].iotype = UPIO_MEM;
+ uart_port[0].mapbase = AR7_REGS_UART0;
+ uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
+ uart_port[0].regshift = 2;
+ res = early_serial_setup(&uart_port[0]);
+ if (res)
+ return res;
+
+ uart_port[1].type = PORT_16750;
+ uart_port[1].line = 1;
+ uart_port[1].irq = AR7_IRQ_UART1;
+ uart_port[1].uartclk = ar7_bus_freq() / 2;
+ uart_port[1].iotype = UPIO_MEM;
+ uart_port[1].mapbase = AR7_REGS_UART1;
+ uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
+ uart_port[1].regshift = 2;
+ res = early_serial_setup(&uart_port[1]);
+ if (res)
+ return res;
+#else
+ uart_data[0].uartclk = ar7_bus_freq() / 2;
+ uart_data[1].uartclk = uart_data[0].uartclk;
+ res = platform_device_register(&uart);
+ if (res)
+ return res;
+#endif
+ res = platform_device_register(&physmap_flash);
+ if (res)
+ return res;
+
+ res = platform_device_register(&vlynq_low);
+ if (res)
+ return res;
+
+ ar7_device_disable(vlynq_low_data.reset_bit);
+ if (ar7_has_high_vlynq()) {
+ ar7_device_disable(vlynq_high_data.reset_bit);
+ res = platform_device_register(&vlynq_high);
+ if (res)
+ return res;
+ }
+
+ if (ar7_has_high_cpmac()) {
+ cpmac_get_mac(1, cpmac_high_data.dev_addr);
+ res = platform_device_register(&cpmac_high);
+ if (res)
+ return res;
+ } else {
+ cpmac_low_data.phy_mask = 0xffffffff;
+ }
+
+ cpmac_get_mac(0, cpmac_low_data.dev_addr);
+ res = platform_device_register(&cpmac_low);
+
+ return res;
+}
+
+
+arch_initcall(ar7_register_devices);
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Putting things on the screen/serial line using YAMONs facilities.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/serial_reg.h>
+#include <linux/spinlock.h>
+#include <linux/module.h>
+#include <asm/io.h>
+#include <asm/bootinfo.h>
+#include <asm/mips-boards/prom.h>
+
+#include <asm/ar7/ar7.h>
+
+#define MAX_ENTRY 80
+
+struct env_var {
+ char *name;
+ char *value;
+};
+
+struct psp_chip_map {
+ u16 chip;
+ char *names[50];
+};
+
+/* I hate this. No. *I* *HATE* *THIS* */
+static __initdata struct psp_chip_map psp_chip_map[] = {
+ {
+ .chip = 0x5,
+ .names = {
+ "dummy", "cpufrequency", "memsize",
+ "flashsize", "modetty0", "modetty1", "prompt",
+ "bootcfg", "maca", "macb", "usb_rndis_mac",
+ "macap", "my_ipaddress", "server_ipaddress",
+ "bline_maca", "bline_macb", "bline_rndis",
+ "bline_atm", "usb_pid", "usb_vid",
+ "usb_eppolli", "gateway_ipaddress",
+ "subnet_mask", "usb_serial", "usb_board_mac",
+ "remote_user", "remote_pass", "remote_dir",
+ "sysfrequency", "link_timeout", "mac_port",
+ "path", "hostname", "tftpcfg", "buildops",
+ "tftp_fo_fname", "tftp_fo_ports",
+ "console_state", "mipsfrequency",
+ },
+ },
+ {
+ .chip = 0x18,
+ .names = {
+ "dummy", "cpufrequency", "memsize",
+ "flashsize", "modetty0", "modetty1", "prompt",
+ "bootcfg", "maca", "macb", "usb_rndis_mac",
+ "macap", "my_ipaddress", "server_ipaddress",
+ "bline_maca", "bline_macb", "bline_rndis",
+ "bline_atm", "usb_pid", "usb_vid",
+ "usb_eppolli", "gateway_ipaddress",
+ "subnet_mask", "usb_serial", "usb_board_mac",
+ "remote_user", "remote_pass", "remote_dir",
+ "sysfrequency", "link_timeout", "mac_port",
+ "path", "hostname", "tftpcfg", "buildops",
+ "tftp_fo_fname", "tftp_fo_ports",
+ "console_state", "mipsfrequency",
+ },
+ },
+ {
+ .chip = 0x2b,
+ .names = {
+ "dummy", "cpufrequency", "memsize",
+ "flashsize", "modetty0", "modetty1", "prompt",
+ "bootcfg", "maca", "macb", "usb_rndis_mac",
+ "macap", "my_ipaddress", "server_ipaddress",
+ "bline_maca", "bline_macb", "bline_rndis",
+ "bline_atm", "usb_pid", "usb_vid",
+ "usb_eppolli", "gateway_ipaddress",
+ "subnet_mask", "usb_serial", "usb_board_mac",
+ "remote_user", "remote_pass", "remote_dir",
+ "sysfrequency", "link_timeout", "mac_port",
+ "path", "hostname", "tftpcfg", "buildops",
+ "tftp_fo_fname", "tftp_fo_ports",
+ "console_state", "mipsfrequency",
+ },
+ },
+ {
+ .chip = 0x0,
+ },
+};
+
+static struct env_var adam2_env[MAX_ENTRY] = { { 0, }, };
+
+char * __init prom_getenv(char *name)
+{
+ int i;
+ for (i = 0; (i < MAX_ENTRY) && adam2_env[i].name; i++)
+ if (!strcmp(name, adam2_env[i].name))
+ return adam2_env[i].value;
+
+ return NULL;
+}
+
+char * __init prom_getcmdline(void)
+{
+ return &(arcs_cmdline[0]);
+}
+
+static void __init ar7_init_cmdline(int argc, char *argv[])
+{
+ char *cp;
+ int actr;
+
+ actr = 1; /* Always ignore argv[0] */
+
+ cp = &(arcs_cmdline[0]);
+ while(actr < argc) {
+ strcpy(cp, argv[actr]);
+ cp += strlen(argv[actr]);
+ *cp++ = ' ';
+ actr++;
+ }
+ if (cp != &(arcs_cmdline[0])) {
+ /* get rid of trailing space */
+ --cp;
+ *cp = '\0';
+ }
+}
+
+struct psbl_rec {
+ u32 psbl_size;
+ u32 env_base;
+ u32 env_size;
+ u32 ffs_base;
+ u32 ffs_size;
+};
+
+static __initdata char psp_env_version[] = "TIENV0.8";
+
+struct psp_env_var {
+ unsigned char num;
+ unsigned char ctrl;
+ unsigned short csum;
+ unsigned char len;
+ unsigned char data[11];
+};
+
+static char psp_env_data[2048] = { 0, };
+
+static void __init add_adam2_var(char *name, char *value)
+{
+ int i;
+ for (i = 0; i < MAX_ENTRY; i++) {
+ if (!adam2_env[i].name) {
+ adam2_env[i].name = name;
+ adam2_env[i].value = value;
+ return;
+ } else if (!strcmp(adam2_env[i].name, name)) {
+ adam2_env[i].value = value;
+ return;
+ }
+ }
+}
+
+static int __init parse_psp_env(void *start)
+{
+ int i, j;
+ u16 chip;
+ struct psp_chip_map *map;
+ char *src, *dest, *name, *value;
+ struct psp_env_var *vars = start;
+
+ chip = get_chip_id();
+ for (map = psp_chip_map; map->chip; map++)
+ if (map->chip == chip)
+ break;
+
+ if (!map->chip)
+ return -EINVAL;
+
+ i = 1;
+ j = 0;
+ dest = psp_env_data;
+ while (vars[i].num < 0xff) {
+ src = vars[i].data;
+ if (vars[i].num) {
+ strcpy(dest, map->names[vars[i].num]);
+ name = dest;
+ } else {
+ strcpy(dest, src);
+ name = dest;
+ src += strlen(src) + 1;
+ }
+ dest += strlen(dest) + 1;
+ strcpy(dest, src);
+ value = dest;
+ dest += strlen(dest) + 1;
+ add_adam2_var(name, value);
+ i += vars[i].len;
+ }
+ return 0;
+}
+
+static void __init ar7_init_env(struct env_var *env)
+{
+ int i;
+ struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300));
+ void *psp_env = (void *)KSEG1ADDR(psbl->env_base);
+
+ if(strcmp(psp_env, psp_env_version) == 0) {
+ parse_psp_env(psp_env);
+ } else {
+ for (i = 0; i < MAX_ENTRY; i++, env++)
+ if (env->name)
+ add_adam2_var(env->name, env->value);
+ }
+}
+
+void __init prom_init(void)
+{
+ prom_printf("\nLINUX running...\n");
+ ar7_init_cmdline(fw_arg0, (char **)fw_arg1);
+ ar7_init_env((struct env_var *)fw_arg2);
+}
+
+#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4)))
+static inline unsigned int serial_in(int offset)
+{
+ return readb((void *)PORT(offset));
+}
+
+static inline void serial_out(int offset, int value)
+{
+ writeb(value, (void *)PORT(offset));
+}
+
+char prom_getchar(void)
+{
+ while (!(serial_in(UART_LSR) & UART_LSR_DR));
+ return serial_in(UART_RX);
+}
+
+int prom_putchar(char c)
+{
+ while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0);
+ serial_out(UART_TX, c);
+ return 1;
+}
+
+EXPORT_SYMBOL(prom_getenv);
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/tty.h>
+#include <linux/pm.h>
+#include <linux/serial_8250.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+#include <linux/serial_reg.h>
+
+#include <asm/cpu.h>
+#include <asm/irq.h>
+#include <asm/mips-boards/generic.h>
+#include <asm/mips-boards/prom.h>
+#include <asm/dma.h>
+#include <asm/time.h>
+#include <asm/traps.h>
+#include <asm/io.h>
+#include <asm/reboot.h>
+#include <asm/gdb-stub.h>
+#include <asm/ar7/ar7.h>
+
+extern void ar7_time_init(void);
+static void ar7_machine_restart(char *command);
+static void ar7_machine_halt(void);
+static void ar7_machine_power_off(void);
+
+static void ar7_machine_restart(char *command)
+{
+ volatile u32 *softres_reg = (u32 *)ioremap(AR7_REGS_RESET +
+ AR7_RESET_SOFTWARE, 1);
+ prom_printf("Reboot\n");
+ *softres_reg = 1;
+}
+
+static void ar7_machine_halt(void)
+{
+ prom_printf("Halt\n");
+ while (1);
+}
+
+static void ar7_machine_power_off(void)
+{
+ volatile u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1);
+ u32 power_state = *power_reg | (3 << 30);
+ prom_printf("Power off\n");
+ *power_reg = power_state;
+ ar7_machine_halt();
+}
+
+const char *get_system_type(void)
+{
+ u16 chip_id = get_chip_id();
+ switch (chip_id) {
+ case 0x5:
+ return "TI AR7 (TNETD7300)";
+ case 0x18:
+ return "TI AR7 (TNETD7100)";
+ case 0x2b:
+ return "TI AR7 (TNETD7200)";
+ default:
+ return "TI AR7 (Unknown)";
+ }
+}
+
+static int __init ar7_init_console(void)
+{
+ return 0;
+}
+
+/*
+ * Initializes basic routines and structures pointers, memory size (as
+ * given by the bios and saves the command line.
+ */
+
+void __init plat_mem_setup(void)
+{
+ unsigned long io_base;
+
+ _machine_restart = ar7_machine_restart;
+ _machine_halt = ar7_machine_halt;
+ pm_power_off = ar7_machine_power_off;
+ board_time_init = ar7_time_init;
+ panic_timeout = 3;
+
+ io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
+ if (!io_base) panic("Can't remap IO base!\n");
+ set_io_port_base(io_base);
+
+ prom_meminit();
+
+ ioport_resource.start = 0;
+ ioport_resource.end = ~0;
+ iomem_resource.start = 0;
+ iomem_resource.end = ~0;
+}
+
+console_initcall(ar7_init_console);
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Setting up the clock on the MIPS boards.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/kernel_stat.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/time.h>
+#include <linux/timex.h>
+#include <linux/mc146818rtc.h>
+
+#include <asm/mipsregs.h>
+#include <asm/ptrace.h>
+#include <asm/hardirq.h>
+#include <asm/irq.h>
+#include <asm/div64.h>
+#include <asm/cpu.h>
+#include <asm/time.h>
+#include <asm/mc146818-time.h>
+#include <asm/msc01_ic.h>
+
+#include <asm/mips-boards/generic.h>
+#include <asm/mips-boards/prom.h>
+#include <asm/mips-boards/maltaint.h>
+#include <asm/mc146818-time.h>
+#include <asm/ar7/ar7.h>
+
+void __init ar7_time_init(void)
+{
+ mips_hpt_frequency = ar7_cpu_freq() / 2;
+}
+
+void __init plat_timer_setup(struct irqaction *irq)
+{
+ setup_irq(7, irq);
+}
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <asm/ar7/vlynq.h>
+
+#define VLYNQ_PCI_SLOTS 2
+
+struct vlynq_reg_config {
+ u32 offset;
+ u32 value;
+};
+
+struct vlynq_pci_config {
+ u32 chip_id;
+ char name[32];
+ struct vlynq_mapping rx_mapping[4];
+ int irq;
+ int irq_type;
+ u32 chip;
+ u32 class;
+ int num_regs;
+ struct vlynq_reg_config regs[10];
+};
+
+struct vlynq_pci_private {
+ u32 latency;
+ u32 cache_line;
+ u32 command;
+ u32 sz_mask;
+ struct vlynq_pci_config *config;
+};
+
+static struct vlynq_pci_config known_devices[] = {
+ {
+ .chip_id = 0x00000009, .name = "TI ACX111",
+ .rx_mapping = {
+ { .size = 0x22000, .offset = 0xf0000000 },
+ { .size = 0x40000, .offset = 0xc0000000 },
+ { .size = 0x0, .offset = 0x0 },
+ { .size = 0x0, .offset = 0x0 },
+ },
+ .irq = 0, .chip = 0x9066104c,
+ .class = PCI_CLASS_NETWORK_OTHER,
+ .num_regs = 5,
+ .regs = {
+ { .offset = 0x790, .value = (0xd0000000 - (ARCH_PFN_OFFSET << PAGE_SHIFT)) },
+ { .offset = 0x794, .value = (0xd0000000 - (ARCH_PFN_OFFSET << PAGE_SHIFT)) },
+ { .offset = 0x740, .value = 0 },
+ { .offset = 0x744, .value = 0x00010000 },
+ { .offset = 0x764, .value = 0x00010000 },
+ },
+ },
+};
+
+static struct vlynq_device *slots[VLYNQ_PCI_SLOTS] = { NULL, };
+
+static struct resource vlynq_io_resource = {
+ .start = 0x00000000,
+ .end = 0x00000000,
+ .name = "pci IO space",
+ .flags = IORESOURCE_IO
+};
+
+static struct resource vlynq_mem_resource = {
+ .start = 0x00000000,
+ .end = 0x00000000,
+ .name = "pci memory space",
+ .flags = IORESOURCE_MEM
+};
+
+static inline u32 vlynq_get_mapped(struct vlynq_device *dev, int res)
+{
+ int i;
+ struct vlynq_pci_private *priv = dev->priv;
+ u32 ret = dev->mem_start;
+ if (!priv->config->rx_mapping[res].size) return 0;
+ for (i = 0; i < res; i++)
+ ret += priv->config->rx_mapping[i].size;
+
+ return ret;
+}
+
+static inline u32 vlynq_read(u32 val, int size) {
+ switch (size) {
+ case 1:
+ return *(u8 *)&val;
+ case 2:
+ return *(u16 *)&val;
+ }
+ return val;
+}
+
+static int vlynq_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
+{
+ struct vlynq_device *dev;
+ struct vlynq_pci_private *priv;
+ int resno, slot = PCI_SLOT(devfn);
+
+ if ((size == 2) && (where & 1))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ else if ((size == 4) && (where & 3))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+
+ if (slot >= VLYNQ_PCI_SLOTS)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ dev = slots[slot];
+
+ if (!dev || (PCI_FUNC(devfn) > 0))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ priv = dev->priv;
+
+ switch (where) {
+ case PCI_VENDOR_ID:
+ *val = vlynq_read(priv->config->chip, size);
+ break;
+ case PCI_DEVICE_ID:
+ *val = priv->config->chip & 0xffff;
+ case PCI_COMMAND:
+ *val = priv->command;
+ case PCI_STATUS:
+/* *val = PCI_STATUS_CAP_LIST;*/
+ *val = 0;
+ break;
+ case PCI_CLASS_REVISION:
+ *val = priv->config->class;
+ break;
+ case PCI_LATENCY_TIMER:
+ *val = priv->latency;
+ break;
+ case PCI_HEADER_TYPE:
+ *val = PCI_HEADER_TYPE_NORMAL;
+ break;
+ case PCI_CACHE_LINE_SIZE:
+ *val = priv->cache_line;
+ break;
+ case PCI_BASE_ADDRESS_0:
+ case PCI_BASE_ADDRESS_1:
+ case PCI_BASE_ADDRESS_2:
+ case PCI_BASE_ADDRESS_3:
+ resno = (where - PCI_BASE_ADDRESS_0) >> 2;
+ if (priv->sz_mask & (1 << resno)) {
+ priv->sz_mask &= ~(1 << resno);
+ *val = priv->config->rx_mapping[resno].size;
+ } else {
+ *val = vlynq_get_mapped(dev, resno);
+ }
+ break;
+ case PCI_BASE_ADDRESS_4:
+ case PCI_BASE_ADDRESS_5:
+ case PCI_SUBSYSTEM_VENDOR_ID:
+ case PCI_SUBSYSTEM_ID:
+ case PCI_ROM_ADDRESS:
+ case PCI_INTERRUPT_LINE:
+ case PCI_CARDBUS_CIS:
+ case PCI_CAPABILITY_LIST:
+ case PCI_INTERRUPT_PIN:
+ *val = 0;
+ break;
+ default:
+ printk("%s: Read of unknown register 0x%x (size %d)\n",
+ dev->dev.bus_id, where, size);
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ }
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int vlynq_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val)
+{
+ struct vlynq_device *dev;
+ struct vlynq_pci_private *priv;
+ int resno, slot = PCI_SLOT(devfn);
+
+ if ((size == 2) && (where & 1))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ else if ((size == 4) && (where & 3))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+
+ if (slot >= VLYNQ_PCI_SLOTS)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ dev = slots[slot];
+
+ if (!dev || (PCI_FUNC(devfn) > 0))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ priv = dev->priv;
+
+ switch (where) {
+ case PCI_VENDOR_ID:
+ case PCI_DEVICE_ID:
+ case PCI_STATUS:
+ case PCI_CLASS_REVISION:
+ case PCI_HEADER_TYPE:
+ case PCI_CACHE_LINE_SIZE:
+ case PCI_SUBSYSTEM_VENDOR_ID:
+ case PCI_SUBSYSTEM_ID:
+ case PCI_INTERRUPT_LINE:
+ case PCI_INTERRUPT_PIN:
+ case PCI_CARDBUS_CIS:
+ case PCI_CAPABILITY_LIST:
+ return PCIBIOS_FUNC_NOT_SUPPORTED;
+ case PCI_COMMAND:
+ priv->command = val;
+ case PCI_LATENCY_TIMER:
+ priv->latency = val;
+ break;
+ case PCI_BASE_ADDRESS_0:
+ case PCI_BASE_ADDRESS_1:
+ case PCI_BASE_ADDRESS_2:
+ case PCI_BASE_ADDRESS_3:
+ if (val == 0xffffffff) {
+ resno = (where - PCI_BASE_ADDRESS_0) >> 2;
+ priv->sz_mask |= (1 << resno);
+ break;
+ }
+ case PCI_BASE_ADDRESS_4:
+ case PCI_BASE_ADDRESS_5:
+ case PCI_ROM_ADDRESS:
+ break;
+ default:
+ printk("%s: Write to unknown register 0x%x (size %d) value=0x%x\n",
+ dev->dev.bus_id, where, size, val);
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ }
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops vlynq_pci_ops = {
+ vlynq_config_read,
+ vlynq_config_write
+};
+
+static struct pci_controller vlynq_controller = {
+ .pci_ops = &vlynq_pci_ops,
+ .io_resource = &vlynq_io_resource,
+ .mem_resource = &vlynq_mem_resource,
+};
+
+static int vlynq_pci_probe(struct vlynq_device *dev)
+{
+ int result, i;
+ u32 chip_id, addr;
+ struct vlynq_pci_private *priv;
+ struct vlynq_mapping mapping[4] = { { 0, }, };
+ struct vlynq_pci_config *config = NULL;
+
+ result = vlynq_set_local_irq(dev, 31);
+ if (result)
+ return result;
+
+ result = vlynq_set_remote_irq(dev, 30);
+ if (result)
+ return result;
+
+ result = vlynq_device_enable(dev);
+ if (result)
+ return result;
+
+ chip_id = vlynq_remote_id(dev);
+ for (i = 0; i < ARRAY_SIZE(known_devices); i++)
+ if (chip_id == known_devices[i].chip_id)
+ config = &known_devices[i];
+
+ if (!config) {
+ printk("vlynq-pci: skipping unknown device "
+ "%04x:%04x at %s\n", chip_id >> 16,
+ chip_id & 0xffff, dev->dev.bus_id);
+ result = -ENODEV;
+ goto fail;
+ }
+
+ printk("vlynq-pci: attaching device %s at %s\n",
+ config->name, dev->dev.bus_id);
+
+ priv = kmalloc(sizeof(struct vlynq_pci_private), GFP_KERNEL);
+ if (!priv) {
+ printk(KERN_ERR "%s: failed to allocate private data\n",
+ dev->dev.bus_id);
+ result = -ENOMEM;
+ goto fail;
+ }
+
+ memset(priv, 0, sizeof(struct vlynq_pci_private));
+ priv->latency = 64;
+ priv->cache_line = 32;
+ priv->config = config;
+
+ mapping[0].offset = ARCH_PFN_OFFSET << PAGE_SHIFT;
+ mapping[0].size = 0x02000000;
+ vlynq_set_local_mapping(dev, dev->mem_start, mapping);
+ vlynq_set_remote_mapping(dev, 0, config->rx_mapping);
+
+ addr = (u32)ioremap_nocache(dev->mem_start, 0x10000);
+ if (!addr) {
+ printk(KERN_ERR "%s: failed to remap io memory\n",
+ dev->dev.bus_id);
+ result = -ENXIO;
+ goto fail;
+ }
+
+ for (i = 0; i < config->num_regs; i++)
+ *(volatile u32 *)(addr + config->regs[i].offset) =
+ config->regs[i].value;
+
+ dev->priv = priv;
+ for (i = 0; i < VLYNQ_PCI_SLOTS; i++) {
+ if (!slots[i]) {
+ slots[i] = dev;
+ break;
+ }
+ }
+
+ return 0;
+
+fail:
+ vlynq_device_disable(dev);
+
+ return result;
+}
+
+static int vlynq_pci_remove(struct vlynq_device *dev)
+{
+ int i;
+ struct vlynq_pci_private *priv = dev->priv;
+
+ for (i = 0; i < VLYNQ_PCI_SLOTS; i++)
+ if (slots[i] == dev)
+ slots[i] = NULL;
+
+ vlynq_device_disable(dev);
+ kfree(priv);
+
+ return 0;
+}
+
+static struct vlynq_driver vlynq_pci = {
+ .name = "PCI over VLYNQ emulation",
+ .probe = vlynq_pci_probe,
+ .remove = vlynq_pci_remove,
+};
+
+int vlynq_pci_init(void)
+{
+ int res;
+ res = vlynq_register_driver(&vlynq_pci);
+ if (res)
+ return res;
+
+ register_pci_controller(&vlynq_controller);
+
+ return 0;
+}
+
+int pcibios_map_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+ struct vlynq_device *dev;
+ struct vlynq_pci_private *priv;
+
+ dev = slots[slot];
+
+ if (!dev)
+ return 0;
+
+ priv = dev->priv;
+
+ return vlynq_virq_to_irq(dev, priv->config->irq);
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <linux/errno.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/ar7/vlynq.h>
+
+#define PER_DEVICE_IRQS 32
+
+#define VLYNQ_CTRL_PM_ENABLE 0x80000000
+#define VLYNQ_CTRL_CLOCK_INT 0x00008000
+#define VLYNQ_CTRL_CLOCK_DIV(x) ((x & 7) << 16)
+#define VLYNQ_CTRL_INT_LOCAL 0x00004000
+#define VLYNQ_CTRL_INT_ENABLE 0x00002000
+#define VLYNQ_CTRL_INT_VECTOR(x) ((x & 0x1f) << 8)
+#define VLYNQ_CTRL_INT2CFG 0x00000080
+#define VLYNQ_CTRL_RESET 0x00000001
+
+#define VLYNQ_STATUS_RERROR 0x00000100
+#define VLYNQ_STATUS_LERROR 0x00000080
+#define VLYNQ_STATUS_LINK 0x00000001
+
+#define VINT_ENABLE 0x00000100
+#define VINT_TYPE_EDGE 0x00000080
+#define VINT_LEVEL_LOW 0x00000040
+#define VINT_VECTOR(x) (x & 0x1f)
+#define VINT_OFFSET(irq) (8 * ((irq) % 4))
+
+#define VLYNQ_AUTONEGO_V2 0x00010000
+
+struct vlynq_regs {
+ volatile u32 revision;
+ volatile u32 control;
+ volatile u32 status;
+ volatile u32 int_prio;
+ volatile u32 int_status;
+ volatile u32 int_pending;
+ volatile u32 int_ptr;
+ volatile u32 tx_offset;
+ volatile struct vlynq_mapping rx_mapping[4];
+ volatile u32 chip;
+ volatile u32 autonego;
+ volatile u32 unused[6];
+ volatile u32 int_device[8];
+} __attribute__ ((packed));
+
+#ifdef VLYNQ_DEBUG
+static void vlynq_dump_regs(struct vlynq_device *dev)
+{
+ int i;
+ printk("VLYNQ local=%p remote=%p\n", dev->local, dev->remote);
+ for (i = 0; i < 32; i++) {
+ printk("VLYNQ: local %d: %08x\n", i + 1, ((u32 *)dev->local)[i]);
+ printk("VLYNQ: remote %d: %08x\n", i + 1, ((u32 *)dev->remote)[i]);
+ }
+}
+
+static void vlynq_dump_mem(u32 *base, int count)
+{
+ int i;
+ for (i = 0; i < (count + 3) / 4; i++) {
+ if (i % 4 == 0) printk("\nMEM[0x%04x]:", i * 4);
+ printk(" 0x%08x", *(base + i));
+ }
+ printk("\n");
+}
+#endif
+
+int vlynq_linked(struct vlynq_device *dev)
+{
+ int i;
+ for (i = 0; i < 10; i++)
+ if (dev->local->status & VLYNQ_STATUS_LINK) {
+ printk("%s: linked\n", dev->dev.bus_id);
+ return 1;
+ } else {
+ mdelay(1);
+ }
+ return 0;
+}
+
+static void vlynq_irq_unmask(unsigned int irq)
+{
+ volatile u32 val;
+ struct vlynq_device *dev = irq_desc[irq].chip_data;
+ int virq;
+
+ BUG_ON(!dev);
+ virq = irq - dev->irq_start;
+ val = dev->remote->int_device[virq >> 2];
+ val |= VINT_ENABLE << VINT_OFFSET(virq);
+ dev->remote->int_device[virq >> 2] = val;
+}
+
+static void vlynq_irq_mask(unsigned int irq)
+{
+ volatile u32 val;
+ struct vlynq_device *dev = irq_desc[irq].chip_data;
+ int virq;
+
+ BUG_ON(!dev);
+ virq = irq - dev->irq_start;
+ val = dev->remote->int_device[virq >> 2];
+ val &= ~(VINT_ENABLE << VINT_OFFSET(virq));
+ dev->remote->int_device[virq >> 2] = val;
+}
+
+static int vlynq_irq_type(unsigned int irq, unsigned int flow_type)
+{
+ volatile u32 val;
+ struct vlynq_device *dev = irq_desc[irq].chip_data;
+ int virq;
+
+ BUG_ON(!dev);
+ virq = irq - dev->irq_start;
+ val = dev->remote->int_device[virq >> 2];
+ switch (flow_type & IRQ_TYPE_SENSE_MASK) {
+ case IRQ_TYPE_EDGE_RISING:
+ case IRQ_TYPE_EDGE_FALLING:
+ case IRQ_TYPE_EDGE_BOTH:
+ val |= VINT_TYPE_EDGE << VINT_OFFSET(virq);
+ val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq));
+ break;
+ case IRQ_TYPE_LEVEL_HIGH:
+ val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq));
+ val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq));
+ break;
+ case IRQ_TYPE_LEVEL_LOW:
+ val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq));
+ val |= VINT_LEVEL_LOW << VINT_OFFSET(virq);
+ break;
+ default:
+ return -EINVAL;
+ }
+ dev->remote->int_device[virq >> 2] = val;
+ return 0;
+}
+
+static irqreturn_t vlynq_irq(int irq, void *dev_id)
+{
+ struct vlynq_device *dev = dev_id;
+ u32 status, ack;
+ int virq = 0;
+
+ status = dev->local->int_status;
+ dev->local->int_status = status;
+
+ if (status & (1 << dev->local_irq)) { /* Local vlynq IRQ. Ack */
+ ack = dev->local->status;
+ dev->local->status = ack;
+ }
+
+ if (status & (1 << dev->remote_irq)) { /* Remote vlynq IRQ. Ack */
+ ack = dev->remote->status;
+ dev->remote->status = ack;
+ }
+
+ status &= ~((1 << dev->local_irq) | (1 << dev->remote_irq));
+ while (status) {
+ if (status & 1) /* Remote device IRQ. Pass. */
+ do_IRQ(dev->irq_start + virq);
+ status >>= 1;
+ virq++;
+ }
+
+ return IRQ_HANDLED;
+}
+
+static struct irq_chip vlynq_irq_chip = {
+ .name = "vlynq",
+ .unmask = vlynq_irq_unmask,
+ .mask = vlynq_irq_mask,
+ .set_type = vlynq_irq_type,
+};
+
+static int vlynq_setup_irq(struct vlynq_device *dev)
+{
+ u32 val;
+ int i;
+
+ if (dev->local_irq == dev->remote_irq) {
+ printk("%s: local vlynq irq should be different from remote\n",
+ dev->dev.bus_id);
+ return -EINVAL;
+ }
+
+ val = VLYNQ_CTRL_INT_VECTOR(dev->local_irq);
+ val |= VLYNQ_CTRL_INT_ENABLE | VLYNQ_CTRL_INT_LOCAL |
+ VLYNQ_CTRL_INT2CFG;
+ dev->local->int_ptr = 0x14;
+ dev->local->control |= val;
+
+ val = VLYNQ_CTRL_INT_VECTOR(dev->remote_irq);
+ val |= VLYNQ_CTRL_INT_ENABLE;
+ dev->remote->int_ptr = 0x14;
+ dev->remote->control |= val;
+
+ for (i = 0; i < PER_DEVICE_IRQS; i++) {
+ if ((i == dev->local_irq) || (i == dev->remote_irq))
+ continue;
+ irq_desc[dev->irq_start + i].status = IRQ_DISABLED;
+ irq_desc[dev->irq_start + i].action = 0;
+ irq_desc[dev->irq_start + i].depth = 1;
+ irq_desc[dev->irq_start + i].chip = &vlynq_irq_chip;
+ irq_desc[dev->irq_start + i].chip_data = dev;
+ dev->remote->int_device[i >> 2] = 0;
+ }
+
+ if (request_irq(dev->irq, vlynq_irq, SA_SHIRQ, "AR7 VLYNQ", dev)) {
+ printk("%s: request_irq failed\n", dev->dev.bus_id);
+ return -EAGAIN;
+ }
+
+ return 0;
+}
+
+static void vlynq_free_irq(struct vlynq_device *dev)
+{
+ free_irq(dev->irq, dev);
+}
+
+static void vlynq_device_release(struct device *dev)
+{
+ struct vlynq_device *vdev = to_vlynq_device(dev);
+ kfree(vdev);
+}
+
+static int vlynq_device_probe(struct device *dev)
+{
+ struct vlynq_driver *drv = to_vlynq_driver(dev->driver);
+ if (drv->probe)
+ return drv->probe(to_vlynq_device(dev));
+ return 0;
+}
+
+static int vlynq_device_remove(struct device *dev)
+{
+ struct vlynq_driver *drv = to_vlynq_driver(dev->driver);
+ if (drv->remove)
+ return drv->remove(to_vlynq_device(dev));
+ return 0;
+}
+
+int __vlynq_register_driver(struct vlynq_driver *driver, struct module *owner)
+{
+ driver->driver.name = driver->name;
+ driver->driver.bus = &vlynq_bus_type;
+/* driver->driver.owner = owner;*/
+ return driver_register(&driver->driver);
+}
+EXPORT_SYMBOL(__vlynq_register_driver);
+
+void vlynq_unregister_driver(struct vlynq_driver *driver)
+{
+ driver_unregister(&driver->driver);
+}
+EXPORT_SYMBOL(vlynq_unregister_driver);
+
+int vlynq_device_enable(struct vlynq_device *dev)
+{
+ u32 val;
+ int result;
+ struct plat_vlynq_ops *ops = dev->dev.platform_data;
+
+ result = ops->on(dev);
+ if (result)
+ return result;
+
+ dev->local->control = 0;
+ dev->remote->control = 0;
+
+ if (vlynq_linked(dev))
+ return vlynq_setup_irq(dev);
+
+ for (val = 0; val < 8; val++) {
+ dev->local->control = VLYNQ_CTRL_CLOCK_DIV(val) |
+ VLYNQ_CTRL_CLOCK_INT;
+ if (vlynq_linked(dev))
+ return vlynq_setup_irq(dev);
+ }
+}
+
+void vlynq_device_disable(struct vlynq_device *dev)
+{
+ struct plat_vlynq_ops *ops = dev->dev.platform_data;
+
+ vlynq_free_irq(dev);
+ ops->off(dev);
+}
+
+u32 vlynq_local_id(struct vlynq_device *dev)
+{
+ return dev->local->chip;
+}
+
+u32 vlynq_remote_id(struct vlynq_device *dev)
+{
+ return dev->remote->chip;
+}
+
+void vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset,
+ struct vlynq_mapping *mapping)
+{
+ int i;
+
+ dev->local->tx_offset = tx_offset;
+ for (i = 0; i < 4; i++) {
+ dev->local->rx_mapping[i].offset = mapping[i].offset;
+ dev->local->rx_mapping[i].size = mapping[i].size;
+ }
+}
+
+void vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset,
+ struct vlynq_mapping *mapping)
+{
+ int i;
+
+ dev->remote->tx_offset = tx_offset;
+ for (i = 0; i < 4; i++) {
+ dev->remote->rx_mapping[i].offset = mapping[i].offset;
+ dev->remote->rx_mapping[i].size = mapping[i].size;
+ }
+}
+
+int vlynq_virq_to_irq(struct vlynq_device *dev, int virq)
+{
+ if ((virq < 0) || (virq >= PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ if ((virq == dev->local_irq) || (virq == dev->remote_irq))
+ return -EINVAL;
+
+ return dev->irq_start + virq;
+}
+
+int vlynq_irq_to_virq(struct vlynq_device *dev, int irq)
+{
+ if ((irq < dev->irq_start) || (irq >= dev->irq_start + PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ return irq - dev->irq_start;
+}
+
+int vlynq_set_local_irq(struct vlynq_device *dev, int virq)
+{
+ if ((virq < 0) || (virq >= PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ if (virq == dev->remote_irq)
+ return -EINVAL;
+
+ dev->local_irq = virq;
+
+ return 0;
+}
+
+int vlynq_set_remote_irq(struct vlynq_device *dev, int virq)
+{
+ if ((virq < 0) || (virq >= PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ if (virq == dev->local_irq)
+ return -EINVAL;
+
+ dev->remote_irq = virq;
+
+ return 0;
+}
+
+static int vlynq_probe(struct platform_device *pdev)
+{
+ struct vlynq_device *dev;
+ struct resource *regs_res, *mem_res, *irq_res;
+ int len, result;
+
+ if (strcmp(pdev->name, "vlynq"))
+ return -ENODEV;
+
+ regs_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
+ if (!regs_res)
+ return -ENODEV;
+
+ mem_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem");
+ if (!mem_res)
+ return -ENODEV;
+
+ irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "devirq");
+ if (!irq_res)
+ return -ENODEV;
+
+ dev = kmalloc(sizeof(struct vlynq_device), GFP_KERNEL);
+ if (!dev) {
+ printk(KERN_ERR "vlynq: failed to allocate device structure\n");
+ return -ENOMEM;
+ }
+
+ memset(dev, 0, sizeof(struct vlynq_device));
+
+ dev->id = pdev->id;
+ dev->dev.bus = &vlynq_bus_type;
+ dev->dev.parent = &pdev->dev;
+ snprintf(dev->dev.bus_id, BUS_ID_SIZE, "vlynq%d", dev->id);
+ dev->dev.bus_id[BUS_ID_SIZE - 1] = 0;
+ dev->dev.platform_data = pdev->dev.platform_data;
+ dev->dev.release = vlynq_device_release;
+
+ dev->regs_start = regs_res->start;
+ dev->regs_end = regs_res->end;
+ dev->mem_start = mem_res->start;
+ dev->mem_end = mem_res->end;
+
+ len = regs_res->end - regs_res->start;
+ if (!request_mem_region(regs_res->start, len, dev->dev.bus_id)) {
+ printk("%s: Can't request vlynq registers\n", dev->dev.bus_id);
+ result = -ENXIO;
+ goto fail_request;
+ }
+
+ dev->local = ioremap_nocache(regs_res->start, len);
+ if (!dev->local) {
+ printk("%s: Can't remap vlynq registers\n", dev->dev.bus_id);
+ result = -ENXIO;
+ goto fail_remap;
+ }
+
+ dev->remote = (struct vlynq_regs *)((u32)dev->local + 128);
+
+ dev->irq = platform_get_irq_byname(pdev, "irq");
+ dev->irq_start = irq_res->start;
+ dev->irq_end = irq_res->end;
+ dev->local_irq = 31;
+ dev->remote_irq = 30;
+
+ if (device_register(&dev->dev))
+ goto fail_register;
+ platform_set_drvdata(pdev, dev);
+
+ printk("%s: regs 0x%p, irq %d, mem 0x%p\n",
+ dev->dev.bus_id, (void *)dev->regs_start, dev->irq,
+ (void *)dev->mem_start);
+
+ return 0;
+
+fail_register:
+fail_remap:
+ iounmap(dev->local);
+fail_request:
+ release_mem_region(regs_res->start, len);
+ kfree(dev);
+ return result;
+}
+
+static int vlynq_remove(struct platform_device *pdev)
+{
+ struct vlynq_device *dev = platform_get_drvdata(pdev);
+
+ device_unregister(&dev->dev);
+ release_mem_region(dev->regs_start, dev->regs_end - dev->regs_start);
+
+ kfree(dev);
+
+ return 0;
+}
+
+static struct platform_driver vlynq_driver = {
+ .driver.name = "vlynq",
+ .probe = vlynq_probe,
+ .remove = vlynq_remove,
+};
+
+struct bus_type vlynq_bus_type = {
+ .name = "vlynq",
+ .probe = vlynq_device_probe,
+ .remove = vlynq_device_remove,
+};
+EXPORT_SYMBOL(vlynq_bus_type);
+
+#ifdef CONFIG_PCI
+extern void vlynq_pci_init(void);
+#endif
+int __init vlynq_init(void)
+{
+ int res = 0;
+
+ res = bus_register(&vlynq_bus_type);
+ if (res)
+ goto fail_bus;
+
+ res = platform_driver_register(&vlynq_driver);
+ if (res)
+ goto fail_platform;
+
+#ifdef CONFIG_PCI
+ vlynq_pci_init();
+#endif
+
+ return 0;
+
+fail_platform:
+ bus_unregister(&vlynq_bus_type);
+fail_bus:
+ return res;
+}
+
+/*
+void __devexit vlynq_exit(void)
+{
+ platform_driver_unregister(&vlynq_driver);
+ bus_unregister(&vlynq_bus_type);
+}
+*/
+
+
+subsys_initcall(vlynq_init);
--- /dev/null
+/*
+ * linux/drivers/char/ar7_gpio.c
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/device.h>
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+
+#include <linux/types.h>
+#include <linux/cdev.h>
+
+#include <asm/gpio.h>
+
+#define DRVNAME "ar7_gpio"
+#define LONGNAME "TI AR7 GPIOs Driver"
+
+MODULE_AUTHOR("Nicolas Thill <nico@openwrt.org>");
+MODULE_DESCRIPTION(LONGNAME);
+MODULE_LICENSE("GPL");
+
+static int ar7_gpio_major = 0;
+
+static ssize_t ar7_gpio_write(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
+{
+ int pin = iminor(file->f_dentry->d_inode);
+ size_t i;
+
+ for (i = 0; i < len; ++i) {
+ char c;
+ if (get_user(c, buf + i))
+ return -EFAULT;
+ switch (c) {
+ case '0':
+ gpio_set_value(pin, 0);
+ break;
+ case '1':
+ gpio_set_value(pin, 1);
+ break;
+ case 'd':
+ case 'D':
+ ar7_gpio_disable(pin);
+ break;
+ case 'e':
+ case 'E':
+ ar7_gpio_enable(pin);
+ break;
+ case 'i':
+ case 'I':
+ case '<':
+ gpio_direction_input(pin);
+ break;
+ case 'o':
+ case 'O':
+ case '>':
+ gpio_direction_output(pin);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ return len;
+}
+
+static ssize_t ar7_gpio_read(struct file *file, char __user * buf,
+ size_t len, loff_t * ppos)
+{
+ int pin = iminor(file->f_dentry->d_inode);
+ int value;
+
+ value = gpio_get_value(pin);
+ if (put_user(value ? '1' : '0', buf))
+ return -EFAULT;
+
+ return 1;
+}
+
+static int ar7_gpio_open(struct inode *inode, struct file *file)
+{
+ int m = iminor(inode);
+
+ if (m >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ return nonseekable_open(inode, file);
+}
+
+static int ar7_gpio_release(struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+static const struct file_operations ar7_gpio_fops = {
+ .owner = THIS_MODULE,
+ .write = ar7_gpio_write,
+ .read = ar7_gpio_read,
+ .open = ar7_gpio_open,
+ .release = ar7_gpio_release,
+ .llseek = no_llseek,
+};
+
+static struct platform_device *ar7_gpio_device;
+
+static int __init ar7_gpio_init(void)
+{
+ int rc;
+
+ ar7_gpio_device = platform_device_alloc(DRVNAME, -1);
+ if (!ar7_gpio_device)
+ return -ENOMEM;
+
+ rc = platform_device_add(ar7_gpio_device);
+ if (rc < 0)
+ goto out_put;
+
+ rc = register_chrdev(ar7_gpio_major, DRVNAME, &ar7_gpio_fops);
+ if (rc < 0)
+ goto out_put;
+
+ ar7_gpio_major = rc;
+
+ goto out;
+
+out_put:
+ platform_device_put(ar7_gpio_device);
+out:
+ return rc;
+}
+
+static void __exit ar7_gpio_exit(void)
+{
+ unregister_chrdev(ar7_gpio_major, DRVNAME);
+ platform_device_unregister(ar7_gpio_device);
+}
+
+module_init(ar7_gpio_init);
+module_exit(ar7_gpio_exit);
--- /dev/null
+/*
+ * linux/drivers/char/ar7_wdt.c
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (c) 2005 Enrik Berkhan <Enrik.Berkhan@akk.org>
+ *
+ * Some code taken from:
+ * National Semiconductor SCx200 Watchdog support
+ * Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
+#include <linux/fs.h>
+#include <linux/ioport.h>
+
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+
+#include <asm/ar7/ar7.h>
+
+#define DRVNAME "ar7_wdt"
+#define LONGNAME "TI AR7 Watchdog Timer"
+
+MODULE_AUTHOR("Nicolas Thill <nico@openwrt.org>");
+MODULE_DESCRIPTION(LONGNAME);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+
+static int margin = 60;
+module_param(margin, int, 0);
+MODULE_PARM_DESC(margin, "Watchdog margin in seconds");
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
+
+typedef struct {
+ u32 kick_lock;
+ u32 kick;
+ u32 change_lock;
+ u32 change ;
+ u32 disable_lock;
+ u32 disable;
+ u32 prescale_lock;
+ u32 prescale;
+} ar7_wdt_t;
+
+static struct semaphore open_semaphore;
+static unsigned expect_close;
+
+/* XXX correct? assumed to be sysfreq/2. get this dynamically ... */
+#define vbus_freq (ar7_bus_freq() / 2)
+
+/* XXX currently fixed, allows max margin ~68.72 secs */
+#define prescale_value 0xFFFF
+
+static void ar7_wdt_kick(u32 value)
+{
+ volatile ar7_wdt_t *ar7_wdt = (ar7_wdt_t *)ioremap(AR7_REGS_WDT, sizeof(ar7_wdt_t));
+
+ ar7_wdt->kick_lock = 0x5555;
+ if ((ar7_wdt->kick_lock & 3) == 1) {
+ ar7_wdt->kick_lock = 0xAAAA;
+ if ((ar7_wdt->kick_lock & 3) == 3) {
+ ar7_wdt->kick = value;
+ return;
+ }
+ }
+ printk(KERN_ERR DRVNAME ": failed to unlock WDT kick reg\n");
+}
+
+static void ar7_wdt_prescale(u32 value)
+{
+ volatile ar7_wdt_t *ar7_wdt = (ar7_wdt_t *)ioremap(AR7_REGS_WDT, sizeof(ar7_wdt_t));
+
+ ar7_wdt->prescale_lock = 0x5A5A;
+ if ((ar7_wdt->prescale_lock & 3) == 1) {
+ ar7_wdt->prescale_lock = 0xA5A5;
+ if ((ar7_wdt->prescale_lock & 3) == 3) {
+ ar7_wdt->prescale = value;
+ return;
+ }
+ }
+ printk(KERN_ERR DRVNAME ": failed to unlock WDT prescale reg\n");
+}
+
+static void ar7_wdt_change(u32 value)
+{
+ volatile ar7_wdt_t *ar7_wdt = (ar7_wdt_t *)ioremap(AR7_REGS_WDT, sizeof(ar7_wdt_t));
+
+ ar7_wdt->change_lock = 0x6666;
+ if ((ar7_wdt->change_lock & 3) == 1) {
+ ar7_wdt->change_lock = 0xBBBB;
+ if ((ar7_wdt->change_lock & 3) == 3) {
+ ar7_wdt->change = value;
+ return;
+ }
+ }
+ printk(KERN_ERR DRVNAME ": failed to unlock WDT change reg\n");
+}
+
+static void ar7_wdt_disable(u32 value)
+{
+ volatile ar7_wdt_t *ar7_wdt = (ar7_wdt_t *)ioremap(AR7_REGS_WDT, sizeof(ar7_wdt_t));
+
+ ar7_wdt->disable_lock = 0x7777;
+ if ((ar7_wdt->disable_lock & 3) == 1) {
+ ar7_wdt->disable_lock = 0xCCCC;
+ if ((ar7_wdt->disable_lock & 3) == 2) {
+ ar7_wdt->disable_lock = 0xDDDD;
+ if ((ar7_wdt->disable_lock & 3) == 3) {
+ ar7_wdt->disable = value;
+ return;
+ }
+ }
+ }
+ printk(KERN_ERR DRVNAME ": failed to unlock WDT disable reg\n");
+}
+
+static void ar7_wdt_update_margin(int new_margin)
+{
+ u32 change;
+
+ change = new_margin * (vbus_freq / prescale_value);
+ if (change < 1) change = 1;
+ if (change > 0xFFFF) change = 0xFFFF;
+ ar7_wdt_change(change);
+ margin = change * prescale_value / vbus_freq;
+ printk(KERN_INFO DRVNAME
+ ": timer margin %d seconds (prescale %d, change %d, freq %d)\n",
+ margin, prescale_value, change, vbus_freq);
+}
+
+static void ar7_wdt_enable_wdt(void)
+{
+ printk(KERN_DEBUG DRVNAME ": enabling watchdog timer\n");
+ ar7_wdt_disable(1);
+ ar7_wdt_kick(1);
+}
+
+static void ar7_wdt_disable_wdt(void)
+{
+ printk(KERN_DEBUG DRVNAME ": disabling watchdog timer\n");
+ ar7_wdt_disable(0);
+}
+
+static int ar7_wdt_open(struct inode *inode, struct file *file)
+{
+ /* only allow one at a time */
+ if (down_trylock(&open_semaphore))
+ return -EBUSY;
+ ar7_wdt_enable_wdt();
+ expect_close = 0;
+
+ return 0;
+}
+
+static int ar7_wdt_release(struct inode *inode, struct file *file)
+{
+ if (!expect_close) {
+ printk(KERN_WARNING DRVNAME ": watchdog device closed unexpectedly, will not disable the watchdog timer\n");
+ } else if (!nowayout) {
+ ar7_wdt_disable_wdt();
+ }
+ up(&open_semaphore);
+
+ return 0;
+}
+
+static int ar7_wdt_notify_sys(struct notifier_block *this,
+ unsigned long code, void *unused)
+{
+ if (code == SYS_HALT || code == SYS_POWER_OFF)
+ if (!nowayout)
+ ar7_wdt_disable_wdt();
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block ar7_wdt_notifier =
+{
+ .notifier_call = ar7_wdt_notify_sys
+};
+
+static ssize_t ar7_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
+{
+ if (ppos != &file->f_pos)
+ return -ESPIPE;
+
+ /* check for a magic close character */
+ if (len) {
+ size_t i;
+
+ ar7_wdt_kick(1);
+
+ expect_close = 0;
+ for (i = 0; i < len; ++i) {
+ char c;
+ if (get_user(c, data+i))
+ return -EFAULT;
+ if (c == 'V')
+ expect_close = 1;
+ }
+
+ }
+ return len;
+}
+
+static int ar7_wdt_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ static struct watchdog_info ident = {
+ .identity = LONGNAME,
+ .firmware_version = 1,
+ .options = (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING),
+ };
+ int new_margin;
+
+ switch (cmd) {
+ default:
+ return -ENOTTY;
+ case WDIOC_GETSUPPORT:
+ if(copy_to_user((struct watchdog_info *)arg, &ident,
+ sizeof(ident)))
+ return -EFAULT;
+ return 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ if (put_user(0, (int *)arg))
+ return -EFAULT;
+ return 0;
+ case WDIOC_KEEPALIVE:
+ ar7_wdt_kick(1);
+ return 0;
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_margin, (int *)arg))
+ return -EFAULT;
+ if (new_margin < 1)
+ return -EINVAL;
+
+ ar7_wdt_update_margin(new_margin);
+ ar7_wdt_kick(1);
+
+ case WDIOC_GETTIMEOUT:
+ if (put_user(margin, (int *)arg))
+ return -EFAULT;
+ return 0;
+ }
+}
+
+static struct file_operations ar7_wdt_fops = {
+ .owner = THIS_MODULE,
+ .write = ar7_wdt_write,
+ .ioctl = ar7_wdt_ioctl,
+ .open = ar7_wdt_open,
+ .release = ar7_wdt_release,
+};
+
+static struct miscdevice ar7_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &ar7_wdt_fops,
+};
+
+static int __init ar7_wdt_init(void)
+{
+ int rc;
+
+ if (!request_mem_region(AR7_REGS_WDT, sizeof(ar7_wdt_t), LONGNAME)) {
+ printk(KERN_WARNING DRVNAME ": watchdog I/O region busy\n");
+ return -EBUSY;
+ }
+
+ ar7_wdt_disable_wdt();
+ ar7_wdt_prescale(prescale_value);
+ ar7_wdt_update_margin(margin);
+
+ sema_init(&open_semaphore, 1);
+
+ rc = misc_register(&ar7_wdt_miscdev);
+ if (rc) {
+ printk(KERN_ERR DRVNAME ": unable to register misc device\n");
+ goto out_alloc;
+ }
+
+ rc = register_reboot_notifier(&ar7_wdt_notifier);
+ if (rc) {
+ printk(KERN_ERR DRVNAME ": unable to register reboot notifier\n");
+ goto out_register;
+ }
+ goto out;
+
+out_register:
+ misc_deregister(&ar7_wdt_miscdev);
+out_alloc:
+ release_mem_region(AR7_REGS_WDT, sizeof(ar7_wdt_t));
+out:
+ return rc;
+}
+
+static void __exit ar7_wdt_cleanup(void)
+{
+ unregister_reboot_notifier(&ar7_wdt_notifier);
+ misc_deregister(&ar7_wdt_miscdev);
+ release_mem_region(AR7_REGS_WDT, sizeof(ar7_wdt_t));
+}
+
+module_init(ar7_wdt_init);
+module_exit(ar7_wdt_cleanup);
--- /dev/null
+/*
+ * linux/drivers/leds/leds-ar7.c
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <asm/io.h>
+
+#include <asm/gpio.h>
+
+#define DRVNAME "ar7-leds"
+#define LONGNAME "TI AR7 LEDs driver"
+
+MODULE_AUTHOR("Nicolas Thill <nico@openwrt.org>");
+MODULE_DESCRIPTION(LONGNAME);
+MODULE_LICENSE("GPL");
+
+static void ar7_status_led_set(struct led_classdev *pled,
+ enum led_brightness value)
+{
+ gpio_set_value(AR7_GPIO_BIT_STATUS_LED, value ? 0 : 1);
+}
+
+static struct led_classdev ar7_status_led = {
+ .name = "ar7:status",
+ .brightness_set = ar7_status_led_set,
+};
+
+#ifdef CONFIG_PM
+static int ar7_leds_suspend(struct platform_device *dev,
+ pm_message_t state)
+{
+ led_classdev_suspend(&ar7_status_led);
+ return 0;
+}
+
+static int ar7_leds_resume(struct platform_device *dev)
+{
+ led_classdev_resume(&ar7_status_led);
+ return 0;
+}
+#else /* CONFIG_PM */
+#define ar7_leds_suspend NULL
+#define ar7_leds_resume NULL
+#endif /* CONFIG_PM */
+
+static int ar7_leds_probe(struct platform_device *pdev)
+{
+ int rc;
+
+ rc = led_classdev_register(&pdev->dev, &ar7_status_led);
+ if (rc < 0 )
+ goto out;
+
+ ar7_gpio_enable(AR7_GPIO_BIT_STATUS_LED);
+ gpio_direction_output(AR7_GPIO_BIT_STATUS_LED);
+
+out:
+ return rc;
+}
+
+static int ar7_leds_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&ar7_status_led);
+
+ return 0;
+}
+
+static struct platform_device *ar7_leds_device;
+
+static struct platform_driver ar7_leds_driver = {
+ .probe = ar7_leds_probe,
+ .remove = ar7_leds_remove,
+ .suspend = ar7_leds_suspend,
+ .resume = ar7_leds_resume,
+ .driver = {
+ .name = DRVNAME,
+ },
+};
+
+static int __init ar7_leds_init(void)
+{
+ int rc;
+
+ ar7_leds_device = platform_device_alloc(DRVNAME, -1);
+ if (!ar7_leds_device)
+ return -ENOMEM;
+
+ rc = platform_device_add(ar7_leds_device);
+ if (rc < 0)
+ goto out_put;
+
+ rc = platform_driver_register(&ar7_leds_driver);
+ if (rc < 0)
+ goto out_put;
+
+ goto out;
+
+out_put:
+ platform_device_put(ar7_leds_device);
+out:
+ return rc;
+}
+
+static void __exit ar7_leds_exit(void)
+{
+ platform_driver_unregister(&ar7_leds_driver);
+ platform_device_unregister(ar7_leds_device);
+}
+
+module_init(ar7_leds_init);
+module_exit(ar7_leds_exit);
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * TI AR7 flash partition table.
+ * Based on ar7 map by Felix Fietkau.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/bootmem.h>
+#include <linux/squashfs_fs.h>
+
+struct ar7_bin_rec {
+ unsigned int checksum;
+ unsigned int length;
+ unsigned int address;
+};
+
+static struct mtd_partition ar7_parts[5];
+
+static int create_mtd_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ unsigned long origin)
+{
+ char sig[8];
+ struct ar7_bin_rec header;
+ unsigned int offset, new_offset, len;
+ struct squashfs_super_block sb;
+ unsigned int block_size = 0x10000, pre_size = 0x10000,
+ post_size = 0, root_offset = 0xe0000;
+ unsigned int p = 3;
+
+ printk("Parsing AR7 partition map...\n");
+
+ ar7_parts[0].name = "loader";
+ ar7_parts[0].offset = 0;
+ ar7_parts[0].size = block_size;
+ ar7_parts[0].mask_flags = MTD_WRITEABLE;
+
+ ar7_parts[1].name = "config";
+ ar7_parts[1].size = block_size;
+ ar7_parts[1].mask_flags = 0;
+
+ master->read(master, block_size, 8, &len, sig);
+ if (strncmp(sig, "TIENV0.8", 8)) {
+ ar7_parts[1].offset = master->size - block_size;
+ post_size = block_size;
+ } else {
+ ar7_parts[1].offset = block_size;
+ pre_size = block_size * 2;
+ }
+
+ ar7_parts[2].name = "linux";
+ ar7_parts[2].offset = pre_size;
+ ar7_parts[2].size = master->size - block_size * 2;
+ ar7_parts[2].mask_flags = 0;
+
+ offset = pre_size;
+ master->read(master, offset, sizeof(header), &len, (u_char *)&header);
+ if (header.checksum != 0xfeedfa42) {
+ printk("Unknown magic: %08x\n", header.checksum);
+ } else {
+ while (header.length) {
+ offset += sizeof(header) + header.length;
+ master->read(master, offset, sizeof(header),
+ &len, (u_char *)&header);
+ }
+ root_offset = offset + sizeof(header) + 4;
+ }
+
+ ar7_parts[p].name = "rootfs";
+ ar7_parts[p].offset = root_offset;
+ ar7_parts[p].size = master->size - root_offset - post_size;
+ ar7_parts[p++].mask_flags = 0;
+
+ master->read(master, root_offset, sizeof(sb), &len, (u_char *)&sb);
+ if (sb.s_magic == SQUASHFS_MAGIC) {
+ printk("Squashfs detected (size %Ld)\n", sb.bytes_used);
+ new_offset = root_offset + sb.bytes_used;
+
+ if ((new_offset % master->erasesize) > 0)
+ new_offset += master->erasesize -
+ (new_offset % master->erasesize);
+
+ ar7_parts[p].name = "rootfs_data";
+ ar7_parts[p].offset = new_offset;
+ ar7_parts[p].size = master->size - new_offset - post_size;
+ ar7_parts[p - 1].size -= ar7_parts[p].size;
+ ar7_parts[p - 1].mask_flags |= MTD_WRITEABLE;
+ ar7_parts[p++].mask_flags = 0;
+ } else {
+ printk("Squashfs not found. Moving rootfs partition to next erase block\n");
+ if ((root_offset % master->erasesize) > 0)
+ root_offset += master->erasesize -
+ (root_offset % master->erasesize);
+
+ ar7_parts[p].offset = root_offset;
+ ar7_parts[p].size = master->size - root_offset - post_size;
+ }
+ *pparts = ar7_parts;
+ return p;
+}
+
+static struct mtd_part_parser ar7_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = create_mtd_partitions,
+ .name = "ar7part",
+};
+
+static int __init ar7_parser_init(void)
+{
+ return register_mtd_parser(&ar7_parser);
+}
+
+module_init(ar7_parser_init);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Felix Fietkau, Eugene Konev");
+MODULE_DESCRIPTION("MTD partitioning for TI AR7");
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+
+#include <linux/sched.h>
+#include <linux/kernel.h> /* printk() */
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/skbuff.h>
+#include <linux/mii.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+#include <asm/ar7/ar7.h>
+#include <asm/gpio.h>
+
+MODULE_AUTHOR("Eugene Konev");
+MODULE_DESCRIPTION("TI AR7 ethernet driver (CPMAC)");
+MODULE_LICENSE("GPL");
+
+/* Register definitions */
+struct cpmac_control_regs {
+ volatile u32 revision;
+ volatile u32 control;
+ volatile u32 teardown;
+ volatile u32 unused;
+};
+
+struct cpmac_int_regs {
+ volatile u32 stat_raw;
+ volatile u32 stat_masked;
+ volatile u32 enable;
+ volatile u32 clear;
+};
+
+struct cpmac_stats {
+ volatile u32 good;
+ volatile u32 bcast;
+ volatile u32 mcast;
+ volatile u32 pause;
+ volatile u32 crc_error;
+ volatile u32 align_error;
+ volatile u32 oversized;
+ volatile u32 jabber;
+ volatile u32 undersized;
+ volatile u32 fragment;
+ volatile u32 filtered;
+ volatile u32 qos_filtered;
+ volatile u32 octets;
+};
+
+struct cpmac_regs {
+ struct cpmac_control_regs tx_ctrl;
+ struct cpmac_control_regs rx_ctrl;
+ volatile u32 unused1[56];
+ volatile u32 mbp;
+/* MBP bits */
+#define MBP_RXPASSCRC 0x40000000
+#define MBP_RXQOS 0x20000000
+#define MBP_RXNOCHAIN 0x10000000
+#define MBP_RXCMF 0x01000000
+#define MBP_RXSHORT 0x00800000
+#define MBP_RXCEF 0x00400000
+#define MBP_RXPROMISC 0x00200000
+#define MBP_PROMISCCHAN(chan) (((chan) & 0x7) << 16)
+#define MBP_RXBCAST 0x00002000
+#define MBP_BCASTCHAN(chan) (((chan) & 0x7) << 8)
+#define MBP_RXMCAST 0x00000020
+#define MBP_MCASTCHAN(chan) ((chan) & 0x7)
+ volatile u32 unicast_enable;
+ volatile u32 unicast_clear;
+ volatile u32 max_len;
+ volatile u32 buffer_offset;
+ volatile u32 filter_flow_threshold;
+ volatile u32 unused2[2];
+ volatile u32 flow_thre[8];
+ volatile u32 free_buffer[8];
+ volatile u32 mac_control;
+#define MAC_TXPTYPE 0x00000200
+#define MAC_TXPACE 0x00000040
+#define MAC_MII 0x00000020
+#define MAC_TXFLOW 0x00000010
+#define MAC_RXFLOW 0x00000008
+#define MAC_MTEST 0x00000004
+#define MAC_LOOPBACK 0x00000002
+#define MAC_FDX 0x00000001
+ volatile u32 mac_status;
+#define MACST_QOS 0x4
+#define MACST_RXFLOW 0x2
+#define MACST_TXFLOW 0x1
+ volatile u32 emc_control;
+ volatile u32 unused3;
+ struct cpmac_int_regs tx_int;
+ volatile u32 mac_int_vector;
+/* Int Status bits */
+#define INTST_STATUS 0x80000
+#define INTST_HOST 0x40000
+#define INTST_RX 0x20000
+#define INTST_TX 0x10000
+ volatile u32 mac_eoi_vector;
+ volatile u32 unused4[2];
+ struct cpmac_int_regs rx_int;
+ volatile u32 mac_int_stat_raw;
+ volatile u32 mac_int_stat_masked;
+ volatile u32 mac_int_enable;
+ volatile u32 mac_int_clear;
+ volatile u32 mac_addr_low[8];
+ volatile u32 mac_addr_mid;
+ volatile u32 mac_addr_high;
+ volatile u32 mac_hash_low;
+ volatile u32 mac_hash_high;
+ volatile u32 boff_test;
+ volatile u32 pac_test;
+ volatile u32 rx_pause;
+ volatile u32 tx_pause;
+ volatile u32 unused5[2];
+ struct cpmac_stats rx_stats;
+ struct cpmac_stats tx_stats;
+ volatile u32 unused6[232];
+ volatile u32 tx_ptr[8];
+ volatile u32 rx_ptr[8];
+ volatile u32 tx_ack[8];
+ volatile u32 rx_ack[8];
+
+};
+
+struct cpmac_mdio_regs {
+ volatile u32 version;
+ volatile u32 control;
+#define MDIOC_IDLE 0x80000000
+#define MDIOC_ENABLE 0x40000000
+#define MDIOC_PREAMBLE 0x00100000
+#define MDIOC_FAULT 0x00080000
+#define MDIOC_FAULTDETECT 0x00040000
+#define MDIOC_INTTEST 0x00020000
+#define MDIOC_CLKDIV(div) ((div) & 0xff)
+ volatile u32 alive;
+ volatile u32 link;
+ struct cpmac_int_regs link_int;
+ struct cpmac_int_regs user_int;
+ u32 unused[20];
+ volatile u32 access;
+#define MDIO_BUSY 0x80000000
+#define MDIO_WRITE 0x40000000
+#define MDIO_REG(reg) (((reg) & 0x1f) << 21)
+#define MDIO_PHY(phy) (((phy) & 0x1f) << 16)
+#define MDIO_DATA(data) ((data) & 0xffff)
+ volatile u32 physel;
+};
+
+/* Descriptor */
+struct cpmac_desc {
+ u32 hw_next;
+ u32 hw_data;
+ u16 buflen;
+ u16 bufflags;
+ u16 datalen;
+ u16 dataflags;
+/* Flags bits */
+#define CPMAC_SOP 0x8000
+#define CPMAC_EOP 0x4000
+#define CPMAC_OWN 0x2000
+#define CPMAC_EOQ 0x1000
+ u32 jiffies;
+ struct sk_buff *skb;
+ struct cpmac_desc *next;
+};
+
+struct cpmac_priv {
+ struct net_device_stats stats;
+ spinlock_t lock;
+ int free_tx_channels;
+ struct cpmac_desc *tx_pool;
+ struct cpmac_desc *rx_channels[8];
+ struct cpmac_desc *tx_channels[8];
+ struct cpmac_regs *regs;
+ struct mii_bus *mii_bus;
+ struct phy_device *phy;
+ char phy_name[BUS_ID_SIZE];
+ unsigned long pages;
+ int order;
+ struct plat_cpmac_data *config;
+ int oldlink, oldspeed, oldduplex;
+ u32 msg_enable;
+};
+
+static irqreturn_t cpmac_irq(int, void *);
+void cpmac_exit(void);
+
+#ifdef CPMAC_DEBUG
+static void cpmac_dump_regs(u32 *base, int count)
+{
+ int i;
+ for (i = 0; i < (count + 3) / 4; i++) {
+ if (i % 4 == 0) printk("\nCPMAC[0x%04x]:", i * 4);
+ printk(" 0x%08x", *(base + i));
+ }
+ printk("\n");
+}
+#endif
+
+static int cpmac_mdio_read(struct mii_bus *bus, int phy_id, int regnum)
+{
+ struct cpmac_mdio_regs *regs = (struct cpmac_mdio_regs *)bus->priv;
+ volatile u32 val;
+
+ while ((val = regs->access) & MDIO_BUSY);
+ regs->access = MDIO_BUSY | MDIO_REG(regnum & 0x1f) |
+ MDIO_PHY(phy_id & 0x1f);
+ while ((val = regs->access) & MDIO_BUSY);
+
+ return val & 0xffff;
+}
+
+static int cpmac_mdio_write(struct mii_bus *bus, int phy_id, int regnum, u16 val)
+{
+ struct cpmac_mdio_regs *regs = (struct cpmac_mdio_regs *)bus->priv;
+ volatile u32 tmp;
+
+ while ((tmp = regs->access) & MDIO_BUSY);
+ regs->access = MDIO_BUSY | MDIO_WRITE |
+ MDIO_REG(regnum & 0x1f) | MDIO_PHY(phy_id & 0x1f) |
+ val;
+
+ return 0;
+}
+
+static int cpmac_mdio_reset(struct mii_bus *bus)
+{
+ struct cpmac_mdio_regs *regs = (struct cpmac_mdio_regs *)bus->priv;
+
+ ar7_device_reset(AR7_RESET_BIT_MDIO);
+ regs->control = MDIOC_ENABLE |
+ MDIOC_CLKDIV(ar7_cpmac_freq() / 2200000 - 1);
+
+ return 0;
+}
+
+static int mii_irqs[PHY_MAX_ADDR] = { PHY_POLL, };
+
+struct mii_bus cpmac_mii = {
+ .name = "cpmac-mii",
+ .read = cpmac_mdio_read,
+ .write = cpmac_mdio_write,
+ .reset = cpmac_mdio_reset,
+ .irq = mii_irqs,
+};
+
+int cpmac_config(struct net_device *dev, struct ifmap *map)
+{
+ if (dev->flags & IFF_UP)
+ return -EBUSY;
+
+ /* Don't allow changing the I/O address */
+ if (map->base_addr != dev->base_addr)
+ return -EOPNOTSUPP;
+
+ /* ignore other fields */
+ return 0;
+}
+
+int cpmac_set_mac_address(struct net_device *dev, void *addr)
+{
+ struct sockaddr *sa = addr;
+
+ if (dev->flags & IFF_UP)
+ return -EBUSY;
+
+ memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
+
+ return 0;
+}
+
+void cpmac_set_multicast_list(struct net_device *dev)
+{
+ struct dev_mc_list *iter;
+ int i;
+ int hash, tmp;
+ int hashlo = 0, hashhi = 0;
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ if(dev->flags & IFF_PROMISC) {
+ priv->regs->mbp &= ~MBP_PROMISCCHAN(0); /* promisc channel 0 */
+ priv->regs->mbp |= MBP_RXPROMISC;
+ } else {
+ priv->regs->mbp &= ~MBP_RXPROMISC;
+ if(dev->flags & IFF_ALLMULTI) {
+ /* enable all multicast mode */
+ priv->regs->mac_hash_low = 0xffffffff;
+ priv->regs->mac_hash_high = 0xffffffff;
+ } else {
+ for(i = 0, iter = dev->mc_list; i < dev->mc_count;
+ i++, iter = iter->next) {
+ hash = 0;
+ tmp = iter->dmi_addr[0];
+ hash ^= (tmp >> 2) ^ (tmp << 4);
+ tmp = iter->dmi_addr[1];
+ hash ^= (tmp >> 4) ^ (tmp << 2);
+ tmp = iter->dmi_addr[2];
+ hash ^= (tmp >> 6) ^ tmp;
+ tmp = iter->dmi_addr[4];
+ hash ^= (tmp >> 2) ^ (tmp << 4);
+ tmp = iter->dmi_addr[5];
+ hash ^= (tmp >> 4) ^ (tmp << 2);
+ tmp = iter->dmi_addr[6];
+ hash ^= (tmp >> 6) ^ tmp;
+ hash &= 0x3f;
+ if(hash < 32) {
+ hashlo |= 1<<hash;
+ } else {
+ hashhi |= 1<<(hash - 32);
+ }
+ }
+
+ priv->regs->mac_hash_low = hashlo;
+ priv->regs->mac_hash_high = hashhi;
+ }
+ }
+}
+
+static void cpmac_rx(struct net_device *dev, int channel)
+{
+ struct cpmac_desc *pkt;
+ struct sk_buff *skb;
+ char *data;
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ spin_lock(&priv->lock);
+ pkt = priv->rx_channels[channel];
+ if (!pkt) {
+ if (printk_ratelimit())
+ printk(KERN_NOTICE "%s: rx: spurious interrupt\n",
+ dev->name);
+ priv->stats.rx_errors++;
+ return;
+ }
+
+ priv->regs->rx_ack[channel] = virt_to_phys(pkt);
+ dma_cache_inv((u32)pkt, 16);
+ if (!pkt->datalen) {
+ if (printk_ratelimit())
+ printk(KERN_NOTICE "%s: rx: spurious interrupt\n",
+ dev->name);
+ priv->stats.rx_errors++;
+ return;
+ }
+ skb = dev_alloc_skb(1536);
+ if (!skb) {
+ if (printk_ratelimit())
+ printk(KERN_NOTICE "%s: rx: low on mem - packet dropped\n",
+ dev->name);
+ priv->stats.rx_dropped++;
+ } else {
+ data = (char *)phys_to_virt(pkt->hw_data);
+ dma_cache_inv((u32)data, pkt->datalen);
+ skb_put(pkt->skb, pkt->datalen);
+ pkt->skb->protocol = eth_type_trans(pkt->skb, dev);
+ pkt->skb->ip_summed = CHECKSUM_NONE;
+ priv->stats.rx_packets++;
+ priv->stats.rx_bytes += pkt->datalen;
+ netif_rx(pkt->skb);
+ skb_reserve(skb, 2);
+ skb->dev = dev;
+ pkt->skb = skb;
+ pkt->hw_data = virt_to_phys(skb->data);
+ }
+ spin_unlock(&priv->lock);
+ pkt->buflen = 1500 + ETH_HLEN + 4;
+ pkt->datalen = 0;
+ pkt->dataflags = CPMAC_OWN;
+ dma_cache_wback_inv((u32)pkt, 16);
+ priv->regs->rx_ptr[channel] = virt_to_phys(pkt);
+}
+
+struct cpmac_desc *cpmac_get_desc(struct net_device *dev)
+{
+ struct cpmac_desc *pkt;
+ struct cpmac_priv *priv = netdev_priv(dev);
+ pkt = priv->tx_pool;
+ priv->tx_pool = pkt->next;
+ pkt->next = NULL;
+ if (priv->tx_pool == NULL)
+ netif_stop_queue(dev);
+ return pkt;
+}
+
+void cpmac_release_desc(struct net_device *dev, struct cpmac_desc *pkt)
+{
+ struct cpmac_priv *priv = netdev_priv(dev);
+ struct cpmac_desc *p;
+ p = pkt;
+ while (p->next) p = p->next;
+ p->next = priv->tx_pool;
+ priv->tx_pool = pkt;
+}
+
+int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ unsigned long flags;
+ int i, len, frag;
+ skb_frag_t *this_frag;
+ void *data;
+ struct cpmac_desc *head, *tail, *curr;
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ BUG_ON(priv->free_tx_channels < 1);
+ len = skb->len;
+ if (len < ETH_ZLEN) {
+ if (skb_padto(skb, ETH_ZLEN)) {
+ if (printk_ratelimit())
+ printk(KERN_NOTICE "%s: padding failed, dropping\n",
+ dev->name);
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->stats.tx_dropped++;
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return -ENOMEM;
+ }
+ len = ETH_ZLEN;
+ }
+ spin_lock_irqsave(&priv->lock, flags);
+ dev->trans_start = jiffies;
+ for (i = 0; i < 8; i++)
+ if (!priv->tx_channels[i])
+ break;
+
+ BUG_ON(i == 8);
+
+ head = cpmac_get_desc(dev);
+ priv->tx_channels[i] = head;
+ head->jiffies = dev->trans_start;
+ if (!(--priv->free_tx_channels))
+ netif_stop_queue(dev);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ head->dataflags = CPMAC_SOP | CPMAC_OWN;
+ head->skb = skb;
+ head->hw_data = virt_to_phys(skb->data);
+ dma_cache_wback_inv((u32)skb->data, len);
+ head->buflen = len;
+ head->datalen = len;
+ tail = head;
+ for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
+ dma_cache_wback_inv((u32)tail, 16);
+ this_frag = &skb_shinfo(skb)->frags[frag];
+ curr = cpmac_get_desc(dev);
+ data = page_address(this_frag->page) +
+ this_frag->page_offset;
+ curr->hw_data = virt_to_phys(data);
+ curr->buflen = this_frag->size;
+ curr->datalen = this_frag->size;
+ curr->dataflags = CPMAC_OWN;
+ dma_cache_wback_inv((u32)data, len);
+ tail->hw_next = virt_to_phys(curr);
+ tail->next = curr;
+ tail = curr;
+ }
+ tail->hw_next = 0;
+ tail->dataflags |= CPMAC_EOP;
+ dma_cache_wback_inv((u32)tail, 16);
+ priv->regs->tx_ptr[i] = virt_to_phys(head);
+ return 0;
+}
+
+void cpmac_end_xmit(struct net_device *dev, int channel)
+{
+ struct cpmac_desc *pkt;
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ spin_lock(&priv->lock);
+ pkt = priv->tx_channels[channel];
+ priv->tx_channels[channel] = NULL;
+ priv->free_tx_channels++;
+ priv->regs->tx_ack[channel] = virt_to_phys(pkt);
+ if (pkt) {
+ priv->stats.tx_packets++;
+ priv->stats.tx_bytes += pkt->skb->len;
+ dev_kfree_skb_irq(pkt->skb);
+ cpmac_release_desc(dev, pkt);
+ if (netif_queue_stopped(dev))
+ netif_wake_queue(dev);
+ } else {
+ if (printk_ratelimit())
+ printk(KERN_NOTICE "%s: end_xmit: spurious interrupt\n",
+ dev->name);
+ }
+ spin_unlock(&priv->lock);
+}
+
+static irqreturn_t cpmac_irq(int irq, void *dev_id)
+{
+ struct net_device *dev = (struct net_device *)dev_id;
+ struct cpmac_priv *priv = netdev_priv(dev);
+ u32 status;
+
+ if (!dev)
+ return IRQ_NONE;
+
+ status = priv->regs->mac_int_vector;
+
+ if (status & INTST_TX) {
+ cpmac_end_xmit(dev, (status & 7));
+ }
+
+ if (status & INTST_RX) {
+ cpmac_rx(dev, (status >> 8) & 7);
+ }
+
+ if (status & INTST_HOST) { /* host interrupt ??? */
+ printk("%s: host int, something bad happened...\n", dev->name);
+ printk("%s: mac status: 0x%08x\n", dev->name,
+ priv->regs->mac_status);
+ }
+
+ if (status & INTST_STATUS) { /* status interrupt ??? */
+ printk("%s: status int, what are we gonna do?\n", dev->name);
+ }
+
+ priv->regs->mac_eoi_vector = 0;
+ return IRQ_HANDLED;
+}
+
+void cpmac_tx_timeout(struct net_device *dev)
+{
+ int i;
+ struct cpmac_priv *priv = netdev_priv(dev);
+ struct cpmac_desc *pkt = NULL, *tmp;
+
+ priv->stats.tx_errors++;
+ for (i = 0; i < 8; i++) {
+ tmp = priv->tx_channels[i];
+ if (tmp && (!pkt || (pkt->jiffies > tmp->jiffies)))
+ pkt = tmp;
+ }
+ if (pkt) {
+ printk("Transmit timeout at %ld, latency %ld\n", jiffies,
+ jiffies - pkt->jiffies);
+ for (i = 0; i < 8; i++)
+ if (priv->tx_channels[i] == pkt)
+ priv->tx_channels[i] = NULL;
+ dev_kfree_skb(pkt->skb);
+ cpmac_release_desc(dev, pkt);
+ priv->free_tx_channels++;
+ netif_wake_queue(dev);
+ }
+}
+
+int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct cpmac_priv *priv = netdev_priv(dev);
+ if (!(netif_running(dev)))
+ return -EINVAL;
+ if (!priv->phy)
+ return -EINVAL;
+ return phy_mii_ioctl(priv->phy, if_mii(ifr), cmd);
+}
+
+static int cpmac_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ if (priv->phy)
+ return phy_ethtool_gset(priv->phy, cmd);
+
+ return -EINVAL;
+}
+
+static int cpmac_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (priv->phy)
+ return phy_ethtool_sset(priv->phy, cmd);
+
+ return -EINVAL;
+}
+
+static void cpmac_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ strcpy(info->driver, "cpmac");
+ strcpy(info->version, "0.0.3");
+ info->fw_version[0] = '\0';
+ sprintf(info->bus_info, "%s", "cpmac");
+ info->regdump_len = 0;
+}
+
+static const struct ethtool_ops cpmac_ethtool_ops = {
+ .get_settings = cpmac_get_settings,
+ .set_settings = cpmac_set_settings,
+ .get_drvinfo = cpmac_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+};
+
+static struct net_device_stats *cpmac_stats(struct net_device *dev)
+{
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ if (netif_device_present(dev))
+ return &priv->stats;
+
+ return NULL;
+}
+
+static int cpmac_change_mtu(struct net_device *dev, int mtu)
+{
+ unsigned long flags;
+ struct cpmac_priv *priv = netdev_priv(dev);
+ spinlock_t *lock = &priv->lock;
+
+ if ((mtu < 68) || (mtu > 1500))
+ return -EINVAL;
+
+ spin_lock_irqsave(lock, flags);
+ dev->mtu = mtu;
+ spin_unlock_irqrestore(lock, flags);
+
+ return 0;
+}
+
+static void cpmac_reset(struct net_device *dev)
+{
+ int i;
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ ar7_device_reset(priv->config->reset_bit);
+ priv->regs->rx_ctrl.control &= ~1;
+ priv->regs->tx_ctrl.control &= ~1;
+ for (i = 0; i < 8; i++) {
+ priv->regs->tx_ptr[i] = 0;
+ priv->regs->rx_ptr[i] = 0;
+ }
+ priv->regs->mac_control &= ~MAC_MII; /* disable mii */
+}
+
+static void cpmac_adjust_link(struct net_device *dev)
+{
+ struct cpmac_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+ int new_state = 0;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ if (priv->phy->link) {
+ if (priv->phy->duplex != priv->oldduplex) {
+ new_state = 1;
+ priv->oldduplex = priv->phy->duplex;
+ }
+
+ if (priv->phy->speed != priv->oldspeed) {
+ new_state = 1;
+ priv->oldspeed = priv->phy->speed;
+ }
+
+ if (!priv->oldlink) {
+ new_state = 1;
+ priv->oldlink = 1;
+ netif_schedule(dev);
+ }
+ } else if (priv->oldlink) {
+ new_state = 1;
+ priv->oldlink = 0;
+ priv->oldspeed = 0;
+ priv->oldduplex = -1;
+ }
+
+ if (new_state)
+ phy_print_status(priv->phy);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+int cpmac_open(struct net_device *dev)
+{
+ int i, j, res;
+ struct cpmac_priv *priv = netdev_priv(dev);
+ struct cpmac_desc *pkt;
+ struct sk_buff *skb;
+
+/* priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link,
+ 0, PHY_INTERFACE_MODE_MII);*/
+ priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0);
+ if (IS_ERR(priv->phy)) {
+ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
+ return PTR_ERR(priv->phy);
+ }
+
+ if (!request_mem_region(dev->mem_start, dev->mem_end -
+ dev->mem_start, dev->name)) {
+ printk("%s: failed to request registers\n",
+ dev->name);
+ res = -ENXIO;
+ goto fail_reserve;
+ }
+
+ priv->regs = ioremap_nocache(dev->mem_start, dev->mem_end -
+ dev->mem_start);
+ if (!priv->regs) {
+ printk("%s: failed to remap registers\n", dev->name);
+ res = -ENXIO;
+ goto fail_remap;
+ }
+
+ priv->order = get_order(4096);
+ priv->pages = __get_dma_pages(GFP_KERNEL, priv->order);
+ if (!priv->pages) {
+ res = -ENOMEM;
+ goto fail_alloc;
+ }
+ memset((char *)priv->pages, 0, 4096);
+
+ priv->tx_pool = NULL;
+
+ for (i = 0; i < 4096 / sizeof(struct cpmac_desc); i++) {
+ pkt = (struct cpmac_desc *)
+ (priv->pages + i * sizeof(struct cpmac_desc));
+ memset(pkt, sizeof(struct cpmac_desc), 0);
+ if (i < 8) {
+ skb = alloc_skb(1500 + ETH_HLEN + 6, GFP_KERNEL);
+ if (!skb) {
+ for(j = 0; j < i - 1; j++)
+ kfree_skb(priv->rx_channels[j]->skb);
+ free_pages(priv->pages, priv->order);
+ res = -ENOMEM;
+ goto fail_alloc;
+ }
+ skb_reserve(skb, 2);
+ skb->dev = dev;
+ pkt->skb = skb;
+ pkt->hw_data = virt_to_phys(skb->data);
+ pkt->buflen = 1500 + ETH_HLEN + 4;
+ pkt->dataflags = CPMAC_OWN;
+ dma_cache_wback_inv((u32)pkt, 16);
+ priv->rx_channels[i] = pkt;
+ priv->tx_channels[i] = NULL;
+ } else {
+ pkt->next = priv->tx_pool;
+ priv->tx_pool = pkt;
+ }
+ }
+
+ cpmac_reset(dev);
+ priv->free_tx_channels = 8;
+
+ for (i = 0; i < 8; i++) {
+ priv->regs->tx_ptr[i] = 0;
+ priv->regs->rx_ptr[i] = virt_to_phys(priv->rx_channels[i]);
+ }
+
+ priv->regs->mbp = MBP_RXNOCHAIN | MBP_RXSHORT | MBP_RXBCAST |
+ MBP_RXMCAST;
+ priv->regs->unicast_enable = 0xff;
+ priv->regs->unicast_clear = 0;
+ priv->regs->buffer_offset = 0;
+ for (i = 0; i < 8; i++)
+ priv->regs->mac_addr_low[i] = dev->dev_addr[5];
+ priv->regs->mac_addr_mid = dev->dev_addr[4];
+ priv->regs->mac_addr_high = dev->dev_addr[0] | (dev->dev_addr[1] << 8)
+ | (dev->dev_addr[2] << 16) | (dev->dev_addr[3] << 24);
+ priv->regs->max_len = 1536;
+ priv->regs->rx_int.enable = 0xff;
+ priv->regs->rx_int.clear = 0;
+ priv->regs->tx_int.enable = 0xff;
+ priv->regs->tx_int.clear = 0;
+ priv->regs->mac_int_enable = 3;
+ priv->regs->mac_int_clear = 0xfc;
+
+ if((res = request_irq(dev->irq, cpmac_irq, SA_INTERRUPT,
+ dev->name, dev))) {
+ printk("%s: failed to obtain irq\n", dev->name);
+ goto fail_irq;
+ }
+
+ priv->regs->rx_ctrl.control |= 1;
+ priv->regs->tx_ctrl.control |= 1;
+ priv->regs->mac_control |= MAC_MII | MAC_FDX;
+
+ priv->phy->state = PHY_CHANGELINK;
+ phy_start(priv->phy);
+
+ netif_start_queue(dev);
+
+ return 0;
+
+fail_irq:
+ for(i = 0; i < 8; i++)
+ if (priv->rx_channels[i]->skb)
+ kfree_skb(priv->rx_channels[i]->skb);
+ free_pages(priv->pages, priv->order);
+
+fail_alloc:
+ iounmap(priv->regs);
+
+fail_remap:
+ release_mem_region(dev->mem_start, dev->mem_end -
+ dev->mem_start);
+
+fail_reserve:
+ phy_disconnect(priv->phy);
+
+ return res;
+}
+
+int cpmac_stop(struct net_device *dev)
+{
+ int i;
+ struct cpmac_priv *priv = netdev_priv(dev);
+
+ netif_stop_queue(dev);
+
+ phy_stop(priv->phy);
+ phy_disconnect(priv->phy);
+ priv->phy = NULL;
+
+ cpmac_reset(dev);
+
+ for (i = 0; i < 8; i++) {
+ priv->regs->rx_ptr[i] = 0;
+ priv->regs->tx_ptr[i] = 0;
+ priv->regs->mbp = 0;
+ }
+
+ free_irq(dev->irq, dev);
+ release_mem_region(dev->mem_start, dev->mem_end -
+ dev->mem_start);
+
+ for(i = 0; i < 8; i++)
+ if (priv->rx_channels[i]->skb)
+ kfree_skb(priv->rx_channels[i]->skb);
+ if (priv->pages)
+ free_pages(priv->pages, priv->order);
+
+ return 0;
+}
+
+static int external_switch = 0;
+
+int __devinit cpmac_probe(struct platform_device *pdev)
+{
+ int i, rc, phy_id;
+ struct resource *res;
+ struct cpmac_priv *priv;
+ struct net_device *dev;
+ struct plat_cpmac_data *pdata;
+
+ if (strcmp(pdev->name, "cpmac") != 0)
+ return -ENODEV;
+
+ pdata = pdev->dev.platform_data;
+
+ for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
+ if (!(pdata->phy_mask & (1 << phy_id)))
+ continue;
+ if (!cpmac_mii.phy_map[phy_id])
+ continue;
+ break;
+ }
+
+ if (phy_id == PHY_MAX_ADDR) {
+ if (external_switch) {
+ phy_id = 0;
+ } else {
+ printk("cpmac: no PHY present\n");
+ return -ENODEV;
+ }
+ }
+
+ dev = alloc_etherdev(sizeof(struct cpmac_priv));
+
+ if (!dev) {
+ printk(KERN_ERR "cpmac: Unable to allocate net_device structure!\n");
+ return -ENOMEM;
+ }
+
+ SET_MODULE_OWNER(dev);
+ platform_set_drvdata(pdev, dev);
+ priv = netdev_priv(dev);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
+ if (!res) {
+ rc = -ENODEV;
+ goto fail;
+ }
+
+ dev->mem_start = res->start;
+ dev->mem_end = res->end;
+ dev->irq = platform_get_irq_byname(pdev, "irq");
+
+ dev->mtu = 1500;
+ dev->open = cpmac_open;
+ dev->stop = cpmac_stop;
+ dev->set_config = cpmac_config;
+ dev->hard_start_xmit = cpmac_start_xmit;
+ dev->do_ioctl = cpmac_ioctl;
+ dev->get_stats = cpmac_stats;
+ dev->change_mtu = cpmac_change_mtu;
+ dev->set_mac_address = cpmac_set_mac_address;
+ dev->set_multicast_list = cpmac_set_multicast_list;
+ dev->tx_timeout = cpmac_tx_timeout;
+ dev->ethtool_ops = &cpmac_ethtool_ops;
+
+ memset(priv, 0, sizeof(struct cpmac_priv));
+ spin_lock_init(&priv->lock);
+ priv->msg_enable = netif_msg_init(NETIF_MSG_WOL, 0x3fff);
+ priv->config = pdata;
+ memcpy(dev->dev_addr, priv->config->dev_addr, sizeof(dev->dev_addr));
+ if (phy_id == 31) {
+ snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT,
+ cpmac_mii.id, phy_id);
+ } else {
+ snprintf(priv->phy_name, BUS_ID_SIZE, "fixed@%d:%d", 100, 1);
+ }
+
+ if ((rc = register_netdev(dev))) {
+ printk("cpmac: error %i registering device %s\n",
+ rc, dev->name);
+ goto fail;
+ }
+
+ printk("cpmac: device %s (regs: %p, irq: %d, phy: %s, mac: ",
+ dev->name, (u32 *)dev->mem_start, dev->irq,
+ priv->phy_name);
+ for (i = 0; i < 6; i++) {
+ printk("%02x", dev->dev_addr[i]);
+ if (i < 5) printk(":");
+ else printk(")\n");
+ }
+
+ return 0;
+
+fail:
+ free_netdev(dev);
+ return rc;
+}
+
+static int __devexit cpmac_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+ unregister_netdev(dev);
+ free_netdev(dev);
+ return 0;
+}
+
+static struct platform_driver cpmac_driver = {
+ .driver.name = "cpmac",
+ .probe = cpmac_probe,
+ .remove = cpmac_remove,
+};
+
+int __devinit cpmac_init(void)
+{
+ volatile u32 mask;
+ int i, res;
+ cpmac_mii.priv = (struct cpmac_mdio_regs *)
+ ioremap_nocache(AR7_REGS_MDIO, sizeof(struct cpmac_mdio_regs));
+
+ if (!cpmac_mii.priv) {
+ printk("Can't ioremap mdio registers\n");
+ return -ENXIO;
+ }
+
+#warning FIXME: unhardcode gpio&reset bits
+ ar7_gpio_disable(26);
+ ar7_gpio_disable(27);
+/* ar7_device_reset(17);
+ ar7_device_reset(21);
+ ar7_device_reset(26);*/
+
+ cpmac_mii.reset(&cpmac_mii);
+
+ for (i = 0; i < 300000; i++) {
+ mask = ((struct cpmac_mdio_regs *)cpmac_mii.priv)->alive;
+ if (mask)
+ break;
+ }
+
+ mask &= 0x7fffffff;
+ if (mask & (mask - 1)) {
+ external_switch = 1;
+ mask = 0;
+ }
+
+ cpmac_mii.phy_mask = ~(mask | 0x80000000);
+
+ res = mdiobus_register(&cpmac_mii);
+ if (res)
+ goto fail_mii;
+
+ res = platform_driver_register(&cpmac_driver);
+ if (res)
+ goto fail_cpmac;
+
+ return 0;
+
+fail_cpmac:
+ mdiobus_unregister(&cpmac_mii);
+
+fail_mii:
+ iounmap(cpmac_mii.priv);
+
+ return res;
+}
+
+void __devexit cpmac_exit(void)
+{
+ platform_driver_unregister(&cpmac_driver);
+ mdiobus_unregister(&cpmac_mii);
+}
+
+module_init(cpmac_init);
+module_exit(cpmac_exit);
--- /dev/null
+#ifndef _ASM_GENERIC_GPIO_H
+#define _ASM_GENERIC_GPIO_H
+
+/* platforms that don't directly support access to GPIOs through I2C, SPI,
+ * or other blocking infrastructure can use these wrappers.
+ */
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+ return 0;
+}
+
+static inline int gpio_get_value_cansleep(unsigned gpio)
+{
+ might_sleep();
+ return gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value_cansleep(unsigned gpio, int value)
+{
+ might_sleep();
+ gpio_set_value(gpio, value);
+}
+
+#endif /* _ASM_GENERIC_GPIO_H */
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __AR7_H__
+#define __AR7_H__
+
+#include <asm/addrspace.h>
+#include <linux/delay.h>
+
+#define AR7_REGS_BASE 0x08610000
+
+#define AR7_REGS_MAC0 (AR7_REGS_BASE + 0x0000)
+#define AR7_REGS_EMIF (AR7_REGS_BASE + 0x0800)
+#define AR7_REGS_GPIO (AR7_REGS_BASE + 0x0900)
+#define AR7_REGS_POWER (AR7_REGS_BASE + 0x0a00)
+#define AR7_REGS_WDT (AR7_REGS_BASE + 0x0b00)
+#define AR7_REGS_UART0 (AR7_REGS_BASE + 0x0e00)
+#define AR7_REGS_UART1 (AR7_REGS_BASE + 0x0f00)
+#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600)
+#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800)
+#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1C00)
+#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1E00)
+#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400)
+#define AR7_REGS_MAC1 (AR7_REGS_BASE + 0x2800)
+
+#define AR7_RESET_PEREPHERIAL 0x0
+#define AR7_RESET_SOFTWARE 0x4
+#define AR7_RESET_STATUS 0x8
+
+#define AR7_RESET_BIT_MDIO 22
+
+/* GPIO control registers */
+#define AR7_GPIO_INPUT 0x0
+#define AR7_GPIO_OUTPUT 0x4
+#define AR7_GPIO_DIR 0x8
+#define AR7_GPIO_ENABLE 0xC
+
+#define AR7_GPIO_BIT_STATUS_LED 8
+
+
+/* Interrupts */
+#define AR7_IRQ_UART0 15
+#define AR7_IRQ_UART1 16
+
+struct plat_cpmac_data {
+ int reset_bit;
+ int power_bit;
+ u32 phy_mask;
+ char dev_addr[6];
+};
+
+extern char *prom_getenv(char *envname);
+
+/* A bunch of small bit-toggling functions */
+static inline u32 get_chip_id(void)
+{
+ return *((u16 *)KSEG1ADDR(AR7_REGS_GPIO + 0x14));
+}
+
+static inline int ar7_cpu_freq(void)
+{
+ u16 chip_id = get_chip_id();
+ switch (chip_id) {
+ case 0x5:
+ return 150000000;
+ case 0x18:
+ case 0x2b:
+ return 211968000;
+ default:
+ return 150000000;
+ }
+}
+
+static inline int ar7_bus_freq(void)
+{
+ u16 chip_id = get_chip_id();
+ switch (chip_id) {
+ case 0x5:
+ return 125000000;
+ case 0x18:
+ case 0x2b:
+ return 105984000;
+ default:
+ return 125000000;
+ }
+}
+#define ar7_cpmac_freq ar7_bus_freq
+
+static inline int ar7_has_high_cpmac(void)
+{
+ u16 chip_id = get_chip_id();
+ switch (chip_id) {
+ case 0x18:
+ case 0x2b:
+ return 0;
+ default:
+ return 1;
+ }
+}
+#define ar7_has_high_vlynq ar7_has_high_cpmac
+
+static inline void ar7_device_enable(u32 bit)
+{
+ volatile u32 *reset_reg = (u32 *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL);
+ *reset_reg |= (1 << bit);
+ mdelay(20);
+}
+
+static inline void ar7_device_disable(u32 bit)
+{
+ volatile u32 *reset_reg = (u32 *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL);
+ *reset_reg &= ~(1 << bit);
+ mdelay(20);
+}
+
+static inline void ar7_device_reset(u32 bit)
+{
+ ar7_device_disable(bit);
+ ar7_device_enable(bit);
+}
+
+static inline void ar7_device_on(u32 bit)
+{
+ volatile u32 *power_reg = (u32 *)KSEG1ADDR(AR7_REGS_POWER);
+ *power_reg |= (1 << bit);
+ mdelay(20);
+}
+
+static inline void ar7_device_off(u32 bit)
+{
+ volatile u32 *power_reg = (u32 *)KSEG1ADDR(AR7_REGS_POWER);
+ *power_reg &= ~(1 << bit);
+ mdelay(20);
+}
+
+#endif
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __AR7_GPIO_H__
+#define __AR7_GPIO_H__
+#include <asm/ar7/ar7.h>
+
+#define AR7_GPIO_MAX 32
+
+extern int gpio_request(unsigned gpio, char *label);
+extern void gpio_free(unsigned gpio);
+
+/* Common GPIO layer */
+static inline int gpio_direction_input(unsigned gpio)
+{
+ void __iomem *gpio_dir = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR);
+
+ if (gpio >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ __raw_writel(__raw_readl(gpio_dir) | (1 << gpio), gpio_dir);
+
+ return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio)
+{
+ void __iomem *gpio_dir = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR);
+
+ if (gpio >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ __raw_writel(__raw_readl(gpio_dir) & ~(1 << gpio), gpio_dir);
+
+ return 0;
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ void __iomem *gpio_in = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT);
+
+ if (gpio >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ return ((__raw_readl(gpio_in) & (1 << gpio)) != 0);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ void __iomem *gpio_out = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT);
+ volatile unsigned tmp;
+
+ if (gpio >= AR7_GPIO_MAX)
+ return;
+
+ tmp = __raw_readl(gpio_out) & ~(1 << gpio);
+ if (value)
+ tmp |= 1 << gpio;
+ __raw_writel(tmp, gpio_out);
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return -EINVAL;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return -EINVAL;
+}
+
+/* Board specific GPIO functions */
+static inline int ar7_gpio_enable(unsigned gpio)
+{
+ void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE);
+
+ if (gpio >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ __raw_writel(__raw_readl(gpio_en) | (1 << gpio), gpio_en);
+
+ return 0;
+}
+
+static inline int ar7_gpio_disable(unsigned gpio)
+{
+ void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE);
+
+ if (gpio >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ __raw_writel(__raw_readl(gpio_en) & ~(1 << gpio), gpio_en);
+
+ return 0;
+}
+
+#include <asm-generic/gpio.h>
+
+#endif
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _ASM_MACH_MMZONE_H
+#define _ASM_MACH_MMZONE_H
+
+extern pg_data_t __node_data[];
+#define NODE_DATA(nid) (&__node_data[nid])
+#define NODE_MEM_MAP(nid) (NODE_DATA(nid)->node_mem_map)
+#define pa_to_nid(addr) (((addr) >= ARCH_PFN_OFFSET << PAGE_SHIFT) ? 0 : -1)
+
+#endif /* _ASM_MACH_MMZONE_H */
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle
+ * Copyright (C) 2000, 2002 Maciej W. Rozycki
+ * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_AR7_SPACES_H
+#define _ASM_AR7_SPACES_H
+
+
+#define CAC_BASE 0x80000000
+#define IO_BASE 0xa0000000
+#define UNCAC_BASE 0xa0000000
+#define MAP_BASE 0xc0000000
+
+/*
+ * This handles the memory map.
+ * We handle pages at KSEG0 for kernels with 32 bit address space.
+ */
+#define PAGE_OFFSET 0x80000000UL
+#define ARCH_PFN_OFFSET (0x14000000 >> PAGE_SHIFT)
+
+/*
+ * Memory above this physical address will be considered highmem.
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START 0x40000000UL
+#endif
+
+#endif /* __ASM_AR7_SPACES_H */
--- /dev/null
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#ifndef __VLYNQ_H__
+#define __VLYNQ_H__
+
+struct vlynq_mapping {
+ u32 size;
+ u32 offset;
+} __attribute__ ((packed));
+
+struct vlynq_device_id {
+ u32 id;
+};
+
+struct vlynq_regs;
+struct vlynq_device {
+ u32 id;
+ int irq;
+ int local_irq;
+ int remote_irq;
+ int clock_div;
+ u32 regs_start, regs_end;
+ u32 mem_start, mem_end;
+ u32 irq_start, irq_end;
+ void *priv;
+ struct vlynq_regs *local;
+ struct vlynq_regs *remote;
+ struct device dev;
+};
+
+struct vlynq_driver {
+ char *name;
+ int (*probe)(struct vlynq_device *dev);
+ int (*remove)(struct vlynq_device *dev);
+ struct device_driver driver;
+};
+
+#define to_vlynq_driver(drv) container_of(drv, struct vlynq_driver, driver)
+
+struct plat_vlynq_ops {
+ int (*on)(struct vlynq_device *dev);
+ void (*off)(struct vlynq_device *dev);
+};
+
+#define to_vlynq_device(device) container_of(device, struct vlynq_device, dev)
+
+extern struct bus_type vlynq_bus_type;
+
+extern int __vlynq_register_driver(struct vlynq_driver *driver,
+ struct module *owner);
+
+static inline int vlynq_register_driver(struct vlynq_driver *driver)
+{
+ return __vlynq_register_driver(driver, THIS_MODULE);
+}
+
+extern void vlynq_unregister_driver(struct vlynq_driver *driver);
+extern int vlynq_device_enable(struct vlynq_device *dev);
+extern void vlynq_device_disable(struct vlynq_device *dev);
+extern u32 vlynq_local_id(struct vlynq_device *dev);
+extern u32 vlynq_remote_id(struct vlynq_device *dev);
+extern void vlynq_set_local_mapping(struct vlynq_device *dev,
+ u32 tx_offset,
+ struct vlynq_mapping *mapping);
+extern void vlynq_set_remote_mapping(struct vlynq_device *dev,
+ u32 tx_offset,
+ struct vlynq_mapping *mapping);
+extern int vlynq_virq_to_irq(struct vlynq_device *dev, int virq);
+extern int vlynq_irq_to_virq(struct vlynq_device *dev, int irq);
+extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq);
+extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq);
+
+#endif
--- /dev/null
+#ifndef _ASM_MIPS_GPIO_H
+#define _ASM_MIPS_GPIO_H
+
+#include <gpio.h>
+
+#endif /* _ASM_MIPS_GPIO_H */
--- /dev/null
+#
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+DROP_SECTIONS := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
+OBJCOPY_SREC := $(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))
+
+LOADADDR := 0x94600000
+KERNEL_ENTRY := 0x94100000
+RAMSTART := 0x94000000
+RAMSIZE := 0x00100000
+
+LOADER_MAKEOPTS= \
+ KDIR=$(KDIR) \
+ LOADADDR=$(LOADADDR) \
+ KERNEL_ENTRY=$(KERNEL_ENTRY) \
+ RAMSTART=$(RAMSTART) \
+ RAMSIZE=$(RAMSIZE)
+
+CFLAGS := -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
+ -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
+ -pipe -mlong-calls -fno-common \
+ -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap \
+ -DLOADADDR=$(LOADADDR)
+
+define Build/Clean
+ $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
+endef
+
+define Image/Prepare
+ cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
+
+ $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
+ $(LOADER_MAKEOPTS) \
+ clean compile
+ $(OBJCOPY_SREC) $(KDIR)/loader.elf $(KDIR)/loader.srec
+ srec2bin $(KDIR)/loader.srec $(KDIR)/loader.bin
+endef
+
+define align/jffs2-64k
+bs=65536 conv=sync
+endef
+
+define align/jffs2-128k
+bs=131072 conv=sync
+endef
+
+define Image/Build/CyberTAN
+ (dd if=/dev/zero bs=16 count=1; cat $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin) | \
+ $(STAGING_DIR)/bin/addpattern -p $(3) -o $(BIN_DIR)/openwrt-$(2)-$(KERNEL)-$(4).bin
+endef
+
+#define Image/Build/sErCoMm
+# cat sercomm/adam2.bin "$(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin" > "$(KDIR)/dgfw.tmp"
+# dd if=sercomm/$(2) of="$(KDIR)/dgfw.tmp" bs=$$$$((0x3e0000 - 80)) seek=1 conv=notrunc
+# $(STAGING_DIR)/bin/dgfirmware -f -w "$(BIN_DIR)/openwrt-$(2)-$(KERNEL)-$(3).img" "$(KDIR)/dgfw.tmp"
+# rm -f "$(KDIR)/dgfw.tmp"
+#endef
+
+define Image/Build
+ dd if=$(KDIR)/loader.bin $(call align/$(1)) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
+ cat $(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)/root.$(1) >> $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
+ $(call Image/Build/CyberTAN,$(1),AG1B,AG1B,$(1))
+ $(call Image/Build/CyberTAN,$(1),WA21,WA21,$(1))
+ $(call Image/Build/CyberTAN,$(1),WA22,WA22,$(1))
+ $(call Image/Build/CyberTAN,$(1),WAG2,WAG2,$(1))
+ $(call Image/Build/CyberTAN,$(1),WA31,WA31 -b,$(1))
+ $(call Image/Build/CyberTAN,$(1),WA32,WA32 -b,$(1))
+# $(call Image/Build/sErCoMm,$(1),dg834,$(1))
+# $(call Image/Build/sErCoMm,$(1),jdr454wb,$(1))
+endef
+
+$(eval $(call BuildImage))
--- /dev/null
+diff -Nru linux-2.6.19.2/arch/mips/Kconfig linux-ar7/arch/mips/Kconfig
+--- linux-2.6.19.2/arch/mips/Kconfig 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/arch/mips/Kconfig 2007-01-29 21:52:21.000000000 +0700
+@@ -12,6 +12,18 @@
+ prompt "System type"
+ default SGI_IP22
+
++config AR7
++ bool "Texas Instruments AR7"
++ select BOOT_ELF32
++ select DMA_NONCOHERENT
++ select HW_HAS_PCI
++ select IRQ_CPU
++ select SWAP_IO_SPACE
++ select SYS_HAS_CPU_MIPS32_R1
++ select SYS_SUPPORTS_32BIT_KERNEL
++ select SYS_SUPPORTS_LITTLE_ENDIAN
++ select NEED_MULTIPLE_NODES
++
+ config MIPS_MTX1
+ bool "4G Systems MTX-1 board"
+ select DMA_NONCOHERENT
+diff -Nru linux-2.6.19.2/arch/mips/Makefile linux-ar7/arch/mips/Makefile
+--- linux-2.6.19.2/arch/mips/Makefile 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/arch/mips/Makefile 2007-01-29 21:52:21.000000000 +0700
+@@ -158,6 +158,13 @@
+ #
+
+ #
++# Texas Instruments AR7
++#
++core-$(CONFIG_AR7) += arch/mips/ar7/
++cflags-$(CONFIG_AR7) += -Iinclude/asm-mips/ar7
++load-$(CONFIG_AR7) += 0xffffffff94100000
++
++#
+ # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
+ #
+ core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
+diff -Nru linux-2.6.19.2/arch/mips/kernel/setup.c linux-ar7/arch/mips/kernel/setup.c
+--- linux-2.6.19.2orig/arch/mips/kernel/setup.c 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/arch/mips/kernel/setup.c 2007-03-04 22:32:13.000000000 +0700
+@@ -236,7 +236,7 @@
+ * Initialize the bootmem allocator. It also setup initrd related data
+ * if needed.
+ */
+-#ifdef CONFIG_SGI_IP27
++#ifdef CONFIG_NEED_MULTIPLE_NODES
+
+ static void __init bootmem_init(void)
+ {
+@@ -244,7 +244,7 @@
+ finalize_initrd();
+ }
+
+-#else /* !CONFIG_SGI_IP27 */
++#else /* !CONFIG_NEED_MULTIPLE_NODES */
+
+ static void __init bootmem_init(void)
+ {
+@@ -349,7 +349,7 @@
+ finalize_initrd();
+ }
+
+-#endif /* CONFIG_SGI_IP27 */
++#endif /* CONFIG_NEED_MULTIPLE_NODES */
+
+ /*
+ * arch_mem_init - initialize memory managment subsystem
+diff -Nru linux-2.6.19.2/arch/mips/kernel/traps.c linux-ar7/arch/mips/kernel/traps.c
+--- linux-2.6.19.2/arch/mips/kernel/traps.c 2007-01-11 02:10:37.000000000 +0700
++++ linux-ar7/arch/mips/kernel/traps.c 2007-03-15 13:19:19.000000000 +0700
+@@ -1072,11 +1072,6 @@
+ unsigned long exception_handlers[32];
+ unsigned long vi_handlers[64];
+
+-/*
+- * As a side effect of the way this is implemented we're limited
+- * to interrupt handlers in the address range from
+- * KSEG0 <= x < KSEG0 + 256mb on the Nevada. Oh well ...
+- */
+ void *set_except_vector(int n, void *addr)
+ {
+ unsigned long handler = (unsigned long) addr;
+@@ -1084,9 +1079,15 @@
+
+ exception_handlers[n] = handler;
+ if (n == 0 && cpu_has_divec) {
+- *(volatile u32 *)(ebase + 0x200) = 0x08000000 |
+- (0x03ffffff & (handler >> 2));
+- flush_icache_range(ebase + 0x200, ebase + 0x204);
++ /* lui k0, 0x0000 */
++ *(volatile u32 *)(CAC_BASE+0x200) = 0x3c1a0000 | (handler >> 16);
++ /* ori k0, 0x0000 */
++ *(volatile u32 *)(CAC_BASE+0x204) = 0x375a0000 | (handler & 0xffff);
++ /* jr k0 */
++ *(volatile u32 *)(CAC_BASE+0x208) = 0x03400008;
++ /* nop */
++ *(volatile u32 *)(CAC_BASE+0x20C) = 0x00000000;
++ flush_icache_range(CAC_BASE+0x200, CAC_BASE+0x210);
+ }
+ return (void *)old_handler;
+ }
--- /dev/null
+diff -Nru linux-2.6.19.2/drivers/mtd/Kconfig linux-ar7/drivers/mtd/Kconfig
+--- linux-2.6.19.2/drivers/mtd/Kconfig 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/drivers/mtd/Kconfig 2007-02-03 22:47:10.000000000 +0700
+@@ -152,6 +152,12 @@
+ for your particular device. It won't happen automatically. The
+ 'armflash' map driver (CONFIG_MTD_ARMFLASH) does this, for example.
+
++config MTD_AR7_PARTS
++ tristate "TI AR7 partitioning support"
++ depends on MTD_PARTITIONS
++ ---help---
++ TI AR7 partitioning support
++
+ comment "User Modules And Translation Layers"
+ depends on MTD
+
+diff -Nru linux-2.6.19.2/drivers/mtd/Makefile linux-ar7/drivers/mtd/Makefile
+--- linux-2.6.19.2/drivers/mtd/Makefile 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/drivers/mtd/Makefile 2007-02-03 22:02:27.000000000 +0700
+@@ -12,6 +12,7 @@
+ obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
+ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
+ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
++obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
+
+ # 'Users' - code which presents functionality to userspace.
+ obj-$(CONFIG_MTD_CHAR) += mtdchar.o
+diff -Nru linux-2.6.19.2/drivers/mtd/maps/physmap.c linux-ar7/drivers/mtd/maps/physmap.c
+--- linux-2.6.19.2/drivers/mtd/maps/physmap.c 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/drivers/mtd/maps/physmap.c 2007-02-03 21:57:11.000000000 +0700
+@@ -74,7 +74,7 @@
+
+ static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", NULL };
+ #ifdef CONFIG_MTD_PARTITIONS
+-static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
++static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", "ar7part", NULL };
+ #endif
+
+ static int physmap_flash_probe(struct platform_device *dev)
--- /dev/null
+diff -ruN linux-2.6.19.2-orig/drivers/char/Kconfig linux-2.6.19.2-ar7/drivers/char/Kconfig
+--- linux-2.6.19.2-orig/drivers/char/Kconfig 2007-01-10 20:10:37.000000000 +0100
++++ linux-2.6.19.2-ar7/drivers/char/Kconfig 2007-02-19 01:22:23.000000000 +0100
+@@ -920,6 +920,15 @@
+ To compile this driver as a module, choose M here: the
+ module will be called mwave.
+
++config AR7_GPIO
++ tristate "TI AR7 GPIO Support"
++ depends on AR7
++ help
++ Give userspace access to the GPIO pins on the Texas Instruments AR7
++ processors.
++
++ If compiled as a module, it will be called ar7_gpio.
++
+ config SCx200_GPIO
+ tristate "NatSemi SCx200 GPIO Support"
+ depends on SCx200
+diff -ruN linux-2.6.19.2-orig/drivers/char/Makefile linux-2.6.19.2-ar7/drivers/char/Makefile
+--- linux-2.6.19.2-orig/drivers/char/Makefile 2007-01-10 20:10:37.000000000 +0100
++++ linux-2.6.19.2-ar7/drivers/char/Makefile 2007-02-19 01:22:23.000000000 +0100
+@@ -83,6 +83,7 @@
+ obj-$(CONFIG_PPDEV) += ppdev.o
+ obj-$(CONFIG_NWBUTTON) += nwbutton.o
+ obj-$(CONFIG_NWFLASH) += nwflash.o
++obj-$(CONFIG_AR7_GPIO) += ar7_gpio.o
+ obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o
+ obj-$(CONFIG_PC8736x_GPIO) += pc8736x_gpio.o
+ obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o
--- /dev/null
+diff -ruN linux-2.6.19.2-orig/drivers/leds/Kconfig linux-2.6.19.2-ar7/drivers/leds/Kconfig
+--- linux-2.6.19.2-orig/drivers/leds/Kconfig 2007-01-10 20:10:37.000000000 +0100
++++ linux-2.6.19.2-ar7/drivers/leds/Kconfig 2007-02-24 02:30:48.000000000 +0100
+@@ -19,6 +19,12 @@
+
+ comment "LED drivers"
+
++config LEDS_AR7
++ tristate "LED Support for the TI AR7"
++ depends LEDS_CLASS && AR7
++ help
++ This option enables support for the LEDs on TI AR7.
++
+ config LEDS_CORGI
+ tristate "LED Support for the Sharp SL-C7x0 series"
+ depends LEDS_CLASS && PXA_SHARP_C7xx
+diff -ruN linux-2.6.19.2-orig/drivers/leds/Makefile linux-2.6.19.2-ar7/drivers/leds/Makefile
+--- linux-2.6.19.2-orig/drivers/leds/Makefile 2007-01-10 20:10:37.000000000 +0100
++++ linux-2.6.19.2-ar7/drivers/leds/Makefile 2007-02-24 02:29:44.000000000 +0100
+@@ -5,6 +5,7 @@
+ obj-$(CONFIG_LEDS_TRIGGERS) += led-triggers.o
+
+ # LED Platform Drivers
++obj-$(CONFIG_LEDS_AR7) += leds-ar7.o
+ obj-$(CONFIG_LEDS_CORGI) += leds-corgi.o
+ obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o
+ obj-$(CONFIG_LEDS_SPITZ) += leds-spitz.o
--- /dev/null
+diff -ruN linux-2.6.19.2-orig/drivers/char/watchdog/Kconfig linux-2.6.19.2-ar7/drivers/char/watchdog/Kconfig
+--- linux-2.6.19.2-orig/drivers/char/watchdog/Kconfig 2007-01-10 20:10:37.000000000 +0100
++++ linux-2.6.19.2-ar7/drivers/char/watchdog/Kconfig 2007-02-26 12:49:29.000000000 +0100
+@@ -544,6 +544,12 @@
+
+ # MIPS Architecture
+
++config AR7_WDT
++ tristate "TI AR7 Watchdog Timer"
++ depends on WATCHDOG && AR7
++ help
++ Hardware driver for the TI AR7 Watchdog Timer.
++
+ config INDYDOG
+ tristate "Indy/I2 Hardware Watchdog"
+ depends on WATCHDOG && SGI_IP22
+diff -ruN linux-2.6.19.2-orig/drivers/char/watchdog/Makefile linux-2.6.19.2-ar7/drivers/char/watchdog/Makefile
+--- linux-2.6.19.2-orig/drivers/char/watchdog/Makefile 2007-01-10 20:10:37.000000000 +0100
++++ linux-2.6.19.2-ar7/drivers/char/watchdog/Makefile 2007-02-26 12:46:36.000000000 +0100
+@@ -71,6 +71,7 @@
+ obj-$(CONFIG_WATCHDOG_RTAS) += wdrtas.o
+
+ # MIPS Architecture
++obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
+ obj-$(CONFIG_INDYDOG) += indydog.o
+
+ # S390 Architecture
--- /dev/null
+diff -Nru linux-2.6.19.2/drivers/net/Kconfig linux-ar7/drivers/net/Kconfig
+--- linux-2.6.19.2/drivers/net/Kconfig 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/drivers/net/Kconfig 2007-01-29 21:52:22.000000000 +0700
+@@ -1777,6 +1777,15 @@
+ workstations.
+ See <http://www.semiconductors.philips.com/pip/SAA9730_flyer_1>.
+
++config CPMAC
++ tristate "TI AR7 CPMAC Ethernet support (EXPERIMENTAL)"
++ depends on NET_ETHERNET && EXPERIMENTAL && AR7
++ select PHYLIB
++ select FIXED_PHY
++ select FIXED_MII_100_FDX
++ help
++ TI AR7 CPMAC Ethernet support
++
+ config NET_POCKET
+ bool "Pocket and portable adapters"
+ depends on NET_ETHERNET && PARPORT
+diff -Nru linux-2.6.19.2/drivers/net/Makefile linux-ar7/drivers/net/Makefile
+--- linux-2.6.19.2/drivers/net/Makefile 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/drivers/net/Makefile 2007-01-29 21:52:22.000000000 +0700
+@@ -148,6 +148,7 @@
+ obj-$(CONFIG_8139TOO) += 8139too.o
+ obj-$(CONFIG_ZNET) += znet.o
+ obj-$(CONFIG_LAN_SAA9730) += saa9730.o
++obj-$(CONFIG_CPMAC) += cpmac.o
+ obj-$(CONFIG_DEPCA) += depca.o
+ obj-$(CONFIG_EWRK3) += ewrk3.o
+ obj-$(CONFIG_ATP) += atp.o
--- /dev/null
+diff -Nru linux-2.6.19.2/drivers/serial/8250.c linux-ar7/drivers/serial/8250.c
+--- linux-2.6.19.2/drivers/serial/8250.c 2006-12-12 02:32:53.000000000 +0700
++++ linux-ar7/drivers/serial/8250.c 2007-02-02 14:25:51.000000000 +0700
+@@ -2171,6 +2171,9 @@
+ */
+ up->mcr_mask = ~ALPHA_KLUDGE_MCR;
+ up->mcr_force = ALPHA_KLUDGE_MCR;
++#ifdef CONFIG_AR7
++ up->mcr_force |= UART_MCR_RTS;
++#endif
+
+ up->port.ops = &serial8250_pops;
+ }
+@@ -2243,7 +2246,7 @@
+ {
+ struct uart_8250_port *up = (struct uart_8250_port *)port;
+
+- wait_for_xmitr(up, UART_LSR_THRE);
++ wait_for_xmitr(up, UART_LSR_TEMT);
+ serial_out(up, UART_TX, ch);
+ }
+
--- /dev/null
+--- linux-2.6.19.orig/scripts/setlocalversion 2006-11-30 04:57:37.000000000 +0700
++++ linux-2.6.19/scripts/setlocalversion 2006-12-25 12:50:53.000000000 +0700
+@@ -1,6 +1,8 @@
+ #!/bin/sh
+ # Print additional version information for non-release trees.
+
++exit 0
++
+ usage() {
+ echo "Usage: $0 [srctree]" >&2
+ exit 1
projects / openwrt / staging / xback.git / commitdiff